Cast boolean to int
Hi,
I am frequently using PS to prepare various reports.
For example, I am frequently running reports of enabled/disabled users in Departments in our AD.
Example
Get-ADUser -Filter * -SearchBase "OU=Departments,dc=contoso,dc=com" -Properties * | select Name,Enabled,Canon* | export-csv departments.csv
The problem is that "Enabled" column shows True/False and I would like it to show 1/0 . When I show that data in Excel I could then sum "Enabled" column.
Is there any way to do it elegantly?
Thanks in advance,
Les
Hi Les,
where there is a will, there is a script:
Get-ADUser -Filter * -SearchBase "OU=Departments,dc=contoso,dc=com" -Properties * | select Name, @{ n = "Enabled"; e = { [int]$_.Enabled } }, Canon* | export-csv departments.csv
Cheers,
Fred
There's no place like 127.0.0.1
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I have two bytes array and i wantto cast that into int type and have four byte array which i have to cast into long.
can anyone help me..
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Sai Burrapublic int toInt(byte[] bytes) {
return (bytes[0] << 8) | bytes[1];
}Note this actually returns a short, since a Java int is a 32-bit number, and this returns 16 bits worth of number.
There's no way to directly cast a non-primitive type (an array) to a primitive type (an int). -
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i wrote formula as
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thanksHi Les,
where there is a will, there is a script:
Get-ADUser -Filter * -SearchBase "OU=Departments,dc=contoso,dc=com" -Properties * | select Name, @{ n = "Enabled"; e = { [int]$_.Enabled } }, Canon* | export-csv departments.csv
Cheers,
Fred
There's no place like 127.0.0.1 -
From bit array (boolean[]) to int and back
(First of, I have searched hi and low, and have only found bits to bytes examples.)
Simple question folks, I hope.
How to convert a boolean[] array to an int or Integer, and from an int to a boolean array?
I wouldn't mind using BitSet instead of primitives if that would help, but that api also does not supply a quick toInteger or valueOfInteger method.
Please advise.
Thanks, nat.You could use the bitwise operators:
http://java.sun.com/docs/books/tutorial/java/nutsandbo
lts/bitwise.html
Especially see the part about "flags".Am aware of that and indeed use this. However, sometimes a boolean array is more convenient or a must (using the "flags", my constants have to be 2,4,8,16,32,64,128...) and
I am dealing with a class that already has constants from 1 thru 21, and I want to add on to that class a boolean per constant, to track stuff I am adding to that class.
Anyhow, is it THAT complex to convert from a boolean array to an int?
nat -
Casting string as int always makes it zero?
Hi
I've had to make
_myID = event.selectedRow.getData("my_id");
into
_myID= event.selectedRow.getData("my_id") as int;
so that it stops causing a warning when my buddy loads it into FlashDevelop (I'm working in Pro)
Since then, every myID becomes 0. eg if event.selectedRow.getData("request_id") contains "29" it turns 29 into into zero.
What should I do so that "29" becomes 29?
Thanks for taking a look.You can also use parseInt and parseFloat, which have the advantage of letting you check for isNaN if the cast fails (but the variable type needs to be Number for this to work--I don't think int can be NaN).
-
How to use createQueueSession(boolean transacted,int acknowled)
Did any one know what and why we need to set the transacted value ? Either to true or by default( false ). I know if set it to true, the acknowled value will be ignored and it do means that the connection is transacted. But could any one tell me what is mean connection "transacted" ? Thank you
A session may optionally be specified as transacted. .each transacted session may support a series of actions.each transaction contains a produced set of messages and set of messages to be consumed.whan a transaction commits ,the produced messages are
acknowledged and messages are consumed.if a transaction is rollbacked ,the produced messages are destroyed and consumed messages are rollbacked.
we need to set the transacted value to indicate wheteher out application supports transaction .
if the transaction mode is SESSION_TRANSACTED ,then only the acknowledge mode is ignored. -
How can i cast array of string to int ?
while(st.hasMoreTokens()){
test[count] = st.nextToken();
count++;
}Since token deal with string, i have to pass them into String of array, but how can i convert all of them to int to perform arithmetic operation?public static void main (String[] args) throws IOException{
DataInputStream dis = null;
String dbRecord = null;
int tokenCount = 0;
int numOfQuestion = 0;
int questionnAireNum = 0;
int postCode = 0;
int age = 0;
int gender = 0;
String [] response = new String[10];
File f = new File("polldata.txt");
FileInputStream fis = new FileInputStream(f);
BufferedInputStream bis = new BufferedInputStream(fis);
dis = new DataInputStream(bis);
// read the first record of the database
while ( (dbRecord = dis.readLine()) != null) {
StringTokenizer st = new StringTokenizer(dbRecord, ",");
tokenCount = st.countTokens();
numOfQuestion = tokenCount-4;
String rquestionNum = st.nextToken();
questionnAireNum = Integer.parseInt(rquestionNum);
String rpostCode = st.nextToken();
postCode = Integer.parseInt(rpostCode);
String rAge = st.nextToken();
age = Integer.parseInt(rAge);
String rGender = st.nextToken();
gender = Integer.parseInt(rGender);
for(int i=0; i<numOfQuestion;i++){
response[i] = st.nextToken();
}hi how come when i cast the string as int it prompt me error as shown below ? I wonder what causes this because this is normally how i cast string to int, somehow it won work this way with token.
Exception in thread "main" java.lang.NumberFormatException: For input string: " 3"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Integer.parseInt(Integer.java:447)
at java.lang.Integer.valueOf(Integer.java:553)
at test.main(test.java:43) -
hi;
i have to finish a coursework in two days time.it is about a program to process payroll activities in a factory.i wrote a class to create objects type employee which consists of (String name,String surname,boolean gender,int empNum...).
the coursework asks for keeping the information generated by the program in an external file.in order to ease processing and updating the information which are in form employee,i decided to transfer employee's ,which are stored in a file named manual.dat,to a vector when i need to change or add data and to transfer employee's of vector to the manual.dat after i finished data processing.i now countered with two problems:
1-when there is no data in manual.dat,how can i start the vector?
2-i need to search the employee's by using empNum(employee ID number)assearchkey. how can i cast Objects in the vector to type 'employee' to get the empNums?
please reply as soon as possible..
thanksDo you mean this in #2?
Employee emp = (Employee) vector.get(i); -
I've seen some codes have the type in parenthesis then the value... like:
(long) Math.random()*1000What's that do?The promotion from an int to a long, float, or double
(for example) can be done without a cast.
int i = 123;
double d = i; // all three of these are okay w/o cast ...
long el = i; // no precision will be lost ... "widening conversions"
float f = i;
The de-promotion (is that even a word?) of a double to a
float, long, or int can not be done without a cast. These
go "against the flow" of direction of Fred's sequence of types.
double d = 123.45D;
int i = (int) d; .. cast is required for these "narrowing conversions"
long el = (long) d;
float f = (float) d;
Why would you do this stuff ? As alluded to in an earlier post,
adding two integers is not guaranteed to result in an integer -
it could overflow. Assigning the result to a long will alleviate
the problem.
Or, say you have a long and you know its a "small" (ie, int sized)
long ... and you want to pass it to a method the requires an int
parameter ... a cast would accomplish this ...
boolean doSomethingRequiringAnInt( (int) aLongValue );
Hope this helps a little ...
Eric -
How to get int value from [session.getAttribute("String")]
i am not able to get int value from the following statiment
int i=session.getAttribute("String");
i also try by casting it into int but it dont work, can somebody help me in this regardabuu wrote:
i am not able to get int value from the following statiment
int i=session.getAttribute("String");
i also try by casting it into int but it dont work, can somebody help me in this regard
Integer i=(Integer)session.getAttribute("String");
i.intValue();but know how it is working. that is useful.
Diablo. -
public void boolean compute(int n)
{ if n>5
{return true; }
else
{return false; }
}Is this subroutine possibly correct?
Is there any possibility for a subroutine to have void and boolean at the same time (not to mention an if without parentesis)??
Thank you
--davidWhat do you mean "void and boolean at the same time"?
If it compiles, then it's guaranteed to return a boolean value (unless it throws an exception, or the VM shuts down or something). The compiler is quite anal about that.
A simpler way to write it would be public void boolean compute(int n) {
return n > 5;
} But then, you don't exactly need a method for that, do you.
The if without parens will not compile. -
How can i pass the values to method public static void showBoard(boolean[][
I need x and y to pass to the method
public static void showBoard(boolean[][] board
i am very confused as to why its boolean,i know its an array but does that mean values ar true or false only?Thanks
import java.util.Random;
import java.util.Scanner;
public class Life1
public static void main(String[] args)
int x=0;
int y=0;
Scanner keyIn = new Scanner(System.in);
System.out.println("Enter the first dimension of the board : ");
x = keyIn.nextInt();
System.out.println("Enter the second dimension of the board : );
y = keyIn.nextInt();
boolean[][] board = new boolean[x][y];
fillBoard(board);
showBoard(board);
//Ask the user how many generations to show.
board = newBoard(board);
showBoard(board);
//This method randomly populates rows 5-9 of the board
//Rewrite this method to allow the user to populate the board by entering the
//coordinates of the live cells. If the user requests that cell 1, 1 be alive,
//your program should make cell 0,0 alive.
public static void fillBoard(boolean[][] board)
int row, col, isAlive;
Random picker = new Random();
for(row = 4; row < 9; row++)
for(col = 4; col < 9; col++)
if (picker.nextInt(2) == 0)
board[row][col] = false;
else
board[row][col] = true;
//This method displays the board
public static void showBoard(boolean[][] board)
int row, col;
System.out.println();
for(row=0; row < x; row++)
for(col=0; col<y; col++)
if (board[row][col])
System.out.print("X");
else
System.out.print(".");
System.out.println();
System.out.println();
//This method creates the next generation and returns the new population
public static boolean[][] newBoard(boolean[][] board)
int row;
int col;
int neighbors;
boolean[][] newBoard = new boolean[board.length][board[0].length];
makeDead(newBoard);
for(row = 1; row < board.length-1; row++)
for(col = 1; col < board[row].length-1; col++)
neighbors = countNeighbors(row, col, board);
//make this work with one less if
if (neighbors < 2)
newBoard[row][col]=false;
else if (neighbors > 3)
newBoard[row][col] = false;
else if (neighbors == 2)
newBoard[row][col]= board[row][col];
else
newBoard[row][col] = true;
return newBoard;
//This method counts the number of neighbors surrounding a cell.
//It is given the current cell coordinates and the board
public static int countNeighbors(int thisRow, int thisCol, boolean[][] board)
int count = 0;
int row, col;
for (row = thisRow - 1; row < thisRow + 2; row++)
for(col = thisCol - 1; col < thisCol + 2; col++)
if (board[row][col])
count++;
if (board[thisRow][thisCol])
count--;
return count;
//This method makes each cell in a board "dead."
public static void makeDead(boolean[][] board)
int row, col;
for(row = 0; row < board.length; row++)
for(col = 0; col < board[row].length; col++)
board[row][col] = false;
}this is what im workin with mabey you can point me in the right directionimport java.util.Random;
/* This class creates an application to simulate John Conway's Life game.
* Output is sent to the System.out object.
* The rules for the Life game are as follows...
* Your final version of the program should explain the game and its use
* to the user.
public class Life
public static void main(String[] args)
//Allow the user to specify the board size
boolean[][] board = new boolean[10][10];
fillBoard(board);
showBoard(board);
//Ask the user how many generations to show.
board = newBoard(board);
showBoard(board);
//This method randomly populates rows 5-9 of the board
//Rewrite this method to allow the user to populate the board by entering the
//coordinates of the live cells. If the user requests that cell 1, 1 be alive,
//your program should make cell 0,0 alive.
public static void fillBoard(boolean[][] board)
int row, col, isAlive;
Random picker = new Random();
for(row = 4; row < 9; row++)
for(col = 4; col < 9; col++)
if (picker.nextInt(2) == 0)
board[row][col] = false;
else
board[row][col] = true;
//This method displays the board
public static void showBoard(boolean[][] board)
int row, col;
System.out.println();
for(row=0; row < 10; row++)
for(col=0; col<10; col++)
if (board[row][col])
System.out.print("X");
else
System.out.print(".");
System.out.println();
System.out.println();
//This method creates the next generation and returns the new population
public static boolean[][] newBoard(boolean[][] board)
int row;
int col;
int neighbors;
boolean[][] newBoard = new boolean[board.length][board[0].length];
makeDead(newBoard);
for(row = 1; row < board.length-1; row++)
for(col = 1; col < board[row].length-1; col++)
neighbors = countNeighbors(row, col, board);
//make this work with one less if
if (neighbors < 2)
newBoard[row][col]=false;
else if (neighbors > 3)
newBoard[row][col] = false;
else if (neighbors == 2)
newBoard[row][col]= board[row][col];
else
newBoard[row][col] = true;
return newBoard;
//This method counts the number of neighbors surrounding a cell.
//It is given the current cell coordinates and the board
public static int countNeighbors(int thisRow, int thisCol, boolean[][] board)
int count = 0;
int row, col;
for (row = thisRow - 1; row < thisRow + 2; row++)
for(col = thisCol - 1; col < thisCol + 2; col++)
if (board[row][col])
count++;
if (board[thisRow][thisCol])
count--;
return count;
//This method makes each cell in a board "dead."
public static void makeDead(boolean[][] board)
int row, col;
for(row = 0; row < board.length; row++)
for(col = 0; col < board[row].length; col++)
board[row][col] = false;
} -
How to use CAST function in obiee 11g in rpd
Hai,
I am trying to use the cast fucntion in rpd in bmm layer for a new logical column that I have created and is giving me error compile message.
Can any one please help me out or find out what is wrong in the function I am using.
The expression I am trying to use is
( CAST ( "Chase Card Acquisition"."Fact Deposit"."Base Earn" as decimal(18,0) ) + "Chase Card Acquisition"."Fact Deposit"."Tot Bonus Earn" )Decimal is not a supported type in the logical layer. See:
http://docs.oracle.com/cd/E21764_01/bi.1111/e10540/sqlref.htm#BIEMG559
for supported types.
If you are casting as Int then do not specify the precision ('cast x as int' NOT 'cast x as int(y,z)'). Regards,
Robert -
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hi, I write some code which use the TableModel to represent the data fetched from MS-ACCESS.
the problem is about the UpdateObject(...) method which is in the implement of the AbstractTableModel method setAtValue(). when transfered OBJECT TYPE is java.lang.String, I can't get the correct result in the JTable view.
my code is as below, could somebody point me out my problem
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private ResultSet rs ;
private ResultSetMetaData rsmd;
/** Creates a new instance of MyTableModel */
public MyTableModel() {
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (ClassNotFoundException ex) {
ex.printStackTrace();
String url = "jdbc:odbc:CoffeeBreak";
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Statement pSt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
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ex.printStackTrace();
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try {
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} catch (ClassNotFoundException ex) {
ex.printStackTrace();
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ex.printStackTrace();
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public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
try {
int concurrency = rs.getConcurrency();
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rs.updateRow();
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ex.printStackTrace();
}when the column type is about java.lang.String, the cell's result is incorrect, it looks like "[B@1f8f72f" and database can't update.It's me again.
I post the whole class code here
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.AbstractTableModel;
* @author qhj
public class MyTableModel extends AbstractTableModel {
/** Creates a new instance of MyTableModel */
private ResultSet rs ;
private ResultSetMetaData rsmd;
private Statement pSt;
private String strSQL;
public MyTableModel() {
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (ClassNotFoundException ex) {
ex.printStackTrace();
String url = "jdbc:odbc:CoffeeBreak";
try {
Connection con = DriverManager.getConnection(url,"","");
strSQL = "SELECT * FROM COFFEES";
pSt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
rs = pSt.executeQuery(strSQL);
rsmd = rs.getMetaData();
} catch (SQLException ex) {
ex.printStackTrace();
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try {
rs.last();
return rs.getRow();
} catch (SQLException ex) {
ex.printStackTrace();
return 0;
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try {
return rsmd.getColumnCount();
} catch (SQLException ex) {
ex.printStackTrace();
return 0;
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try {
rs.absolute(rowIndex+1);
return rs.getObject(columnIndex+1);
} catch (SQLException ex) {
ex.printStackTrace();
return null;
public String getColumnName(int column){
try {
return rsmd.getColumnName(column+1);
} catch (SQLException ex) {
ex.printStackTrace();
return "N/A";
public Class getColumnClass(int c){
try {
return Class.forName(rsmd.getColumnClassName(c+1));
} catch (ClassNotFoundException ex) {
ex.printStackTrace();
} catch (SQLException ex) {
ex.printStackTrace();
return String.class;
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//Note that the data/cell address is constant,
//no matter where the cell appears onscreen.
return true;
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
try {
int concurrency = rs.getConcurrency();
if(concurrency == 1008){
rs.absolute(rowIndex+1);
rs.updateObject(columnIndex+1, aValue);
//rs.updateRow();
//rs = pSt.executeQuery(strSQL);
} catch (SQLException ex) {
ex.printStackTrace();
fireTableDataChanged();
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Cell with boolean value not rendering properly in Swing (custom renderer)
Hello All,
I have a problem rendenring boolean values when using a custom cell renderer inside a JTable; I managed to reproduce the issue with a dummy application. The application code follows:
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
* Simple GUI that uses custom cell rendering
* @author josevnz
public final class SimpleGui extends JFrame {
private static final long serialVersionUID = 1L;
private Logger log = Logger.getLogger(SimpleGui.class.getName());
private JTable simpleTable;
public SimpleGui() {
super("Simple GUI");
setPreferredSize(new Dimension(500, 500));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new BorderLayout());
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simpleTable = new JTable(new SimpleTableModel());
simpleTable.getColumnModel().getColumn(2).setCellRenderer(new HasItCellRenderer());
SpecialCellRenderer specRen = new SpecialCellRenderer(log);
simpleTable.setDefaultRenderer(Double.class, specRen);
simpleTable.setDefaultRenderer(String.class, specRen);
simpleTable.setDefaultRenderer(Date.class, specRen);
//simpleTable.setDefaultRenderer(Boolean.class, specRen);
add(new JScrollPane(simpleTable), BorderLayout.CENTER);
pack();
setVisible(true);
private void populate() {
List <List<Object>>people = new ArrayList<List<Object>>();
List <Object>people1 = new ArrayList<Object>();
people1.add(0, "Jose");
people1.add(1, 500.333333567);
people1.add(2, Boolean.TRUE);
people1.add(3, new Date());
people.add(people1);
List <Object>people2 = new ArrayList<Object>();
people2.add(0, "Yes, you!");
people2.add(1, 100.522222);
people2.add(2, Boolean.FALSE);
people2.add(3, new Date());
people.add(people2);
List <Object>people3 = new ArrayList<Object>();
people3.add(0, "Who, me?");
people3.add(1, 0.00001);
people3.add(2, Boolean.TRUE);
people3.add(3, new Date());
people.add(people3);
List <Object>people4 = new ArrayList<Object>();
people4.add(0, "Peter Parker");
people4.add(1, 11.567444444);
people4.add(2, Boolean.FALSE);
people4.add(3, new Date());
people.add(people4);
((SimpleTableModel) simpleTable.getModel()).addAll(people);
* @param args
* @throws InvocationTargetException
* @throws InterruptedException
public static void main(String[] args) throws InterruptedException, InvocationTargetException {
final SimpleGui instance = new SimpleGui();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
instance.constructGui();
instance.populate();
}I decided to write a more specific renderer just for that column:
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableCellRenderer;
* Cell renderer used only by the DividendElement table
* @author josevnz
final class HasItCellRenderer extends DefaultTableCellRenderer {
protected static final long serialVersionUID = 2596173912618784286L;
private Color hasIt = new Color(255, 225, 0);
public HasItCellRenderer() {
super();
setOpaque(true);
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
Component comp = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
int desCol = table.convertColumnIndexToView(1);
if (! isSelected && value instanceof Boolean && column == desCol) {
if (((Boolean) value).booleanValue()) {
comp.setForeground(hasIt);
} else {
comp.setForeground(UIManager.getColor("table.foreground"));
return comp;
* Override for performance reasons
@Override
public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) {
// EMPTY
@Override
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
// EMPTY
@Override
public void revalidate() {
// EMPTY
@Override
public void validate() {
// EMPTY
} // end classBut the rendering comes all wrong (a String saying true or false, not the expected checkbox from the default renderer) and also there is a weird flickring effect as this particular boolean column is editable (per table model, not show here)...
I can post the table model and the other renderer if needed (didn't want to put too much code on the question, at least initiallty).
Should I render a checkbox myself for this cell in the custom renderer? I'm puzzled as I expected the default renderer part of the code to do this for me instead.
Thanks!
Edited by: josevnz on Apr 14, 2009 12:35 PM
Edited by: josevnz on Apr 14, 2009 12:37 PMcamickr
Thats because the default render is a JLabel and it just displays the text from the toString() method of the Object in the table model.What I meant to say is that I expected the JCheckbox not a String representation of the boolean value.
Thats because a different renderer is used depending on the Class of data in the column. Look at the source code for the JTable class to see what the "default >renderer for the Boolean class" is. Then you can extend that or if its a private class then you will need to copy all the code and customize it.At the end I looked at the code and replicated the functionality I needed. I thought than maybe there was a way to avoid replicating the same logic all over again in order to implement this functionality. Good advice, though.
see you learned nothing from your last posting. This is NOT a SSCCE. 90% of the code you posted is completely irrelevant for the described problem. There is abosutelly no need to post the custom TableModel, because there is no need to use a custom TableModel for this problem. The TableModel has nothing to do with how a column is rendererd.The custom table model returns the type of the column (giving a hint to the renderer on what to expect, right?) and for the one that had a problem it says than the class is Boolean. That's why I mentioned it:
public Class getColumnClass(int columnIndex) {
// Code omited....
You also posted data for 4 columns worth of data. Again, irrelevant. Your question is about a single column containing Boolean data, so forget about the other columns.
When creating a SSCCE you don't start with your existing code and "remove" code. You start with a brand new class and only add in what is important. That way hopefully if you made a mistake the first time you don't repeat it the second time.That's what I did, is not the real application. I copy & pasted code in a haste from this dummy program on this forum, not the best approach as it gave the wrong impression.
Learn how to write a proper SSCCE if you want help in the future. Point taken, but there is NO need for you to be rude. Your help is appreciated.
Regards,
Jose.
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