Please help/Array sorting
Please , people help.. I am novice in the Java programming and working on the following problem right now.: Using a single-subscripted array need an applet that inputs 5 numbers, each of which betwee 10 and 100, inclusive. As each number is read,display it only if it is not a duplicate of a number already read. Have to provide for the "worst case" in which all 5 numbers are different . Need a smallest possible array to solve this problem.. Please help. Sitting here and can not do anything abt it..Need code..Sincerely A.
Have you attempted to do anything at all? Why should
we help you pass a class so that you can be dead
weight on our development projects later?this is genius! amen.
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Hi everyone,
I imported pictures into iphoto that had been taken with 2 different cameras, but all have similar dates within a certain time span. I imported my own pictures on the 6. October and the other ones on the 8th October. Although the pictures have both been taken in September, iPhoto puts my photos in the October section and uses this as "date taken" and the other photos are sorted correctly.
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value for my parameterp_yymm :=(1001,1002,:,:,1005,:,:,1008,,:,:,:,:,1101,1102) colon rep as non selected value
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1002 -2
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then my ouput should like this (yynnynnynnnnyy)
create or replace
FUNCTION FN_SUB_BEHAVIOUR(P_YYMM IN VARCHAR2)
RETURN VARCHAR2
IS
TYPE TYP_ARR_TEST IS TABLE OF VARCHAR2(1000) INDEX BY VARCHAR2(1000);
TYPE ELIMINATE_TYP IS TABLE OF VARCHAR2(15);
V_ELIMINATE ELIMINATE_TYP;
ARR_LIST APEX_APPLICATION_GLOBAL.VC_ARR2;
V_LENGTH VARCHAR2(10000);
LOOP_VALUE VARCHAR2(10000):=1000;
I VARCHAR2(10000);
V_LIKE VARCHAR2(10000);
V_INDX NUMBER(10); v number(5);
BEGIN
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ARR_LIST := APEX_UTIL.STRING_TO_TABLE(P_YYMM,',');
for i in 1..ARR_LIST.count loop
if i=1 then
v_LIKE:= ''''||ARR_LIST(i)||'''';
else
V_LIKE:=','||v_LIKE||','||''''||','||ARR_LIST(i)||'''';
end if;
V_ELIMINATE :=ELIMINATE_TYP(V_LIKE);
FOR I IN V_ELIMINATE.FIRST..V_ELIMINATE.LAST
LOOP
v:=i;
-- IF V_ELIMINATE(I)=';' THEN :='0';
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--END LOOP;
RETURN v;
end loop;
END LOOP;
END;
my ouput should like this (yynnynnynnnnyy)
Edited by: raj on Mar 23, 2011 2:55 AM
Edited by: raj on Mar 23, 2011 3:20 AMdon't you just want to do something like this then?
ARR_LIST := APEX_UTIL.STRING_TO_TABLE(P_YYMM,',');
for i in 1..ARR_LIST.count loop
if arr_list(i) in (';', ':', 'o') then v_result :='N';
else v_result :='Y';
end if;
v_outstring := v_outstring || v_result;
end loop;
return v_outstring; -
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BenHi Max,
I tried what you have here by itself and it works perferctly,
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<BookingNo>201000002102</BookingNo>
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<BookingNo>201000002109</BookingNo>
<BookingNo>201000002110</BookingNo>
<BookingNo>201000002111</BookingNo>
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<BookingNo>201000002113</BookingNo>
<BookingNo>201000002114</BookingNo>
<BookingNo>201000002115</BookingNo>
<BookingNo>201000002116</BookingNo>
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<BookingNo>201000002136</BookingNo>
<BookingNo>201000002137</BookingNo>
</TodaysBookings>
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Somebody please help me for sorting arrays!!
Hello.
I have a problem like this. (http://www.sfusd.edu/schwww/sch697/depts/math/simon/ICTJAVA/WebLessons/APCSL27/APCSL27-1-7.html)
public class Item implements Comparable
private int myId;
private int myInv;
public Item(int id, int inv)
myId = id;
myInv = inv;
public int getId(){ )
public int getInv(){ }
public int compareTo(Object otherObject){ }
public boolean equals(Object otherObject){ }
public String toString(){ }
public class Store
private Item[] myStore;
public Store(String fileName) { }
public void displayStore()
public String toString(){ }
public void doSort() { }
private void quickSort(Item[] list, int first, int last)
private void loadFile(String inFileName)
The first line of file50.txt contains the number of id/inventory integer pairs listed on subsequent lines. The idea behind the data type item is the simulation of an item in a store, nearly all of which use a bar code for identification purposes. For every item in a store we keep track of an id value and an inventory amount. So file50.txt looks like this:
50
3679 87
196 60
17914 12
18618 64
2370 65
etc. (for 45 more lines)
Each id value in file50.txt will be unique.
Assignment:
Write a program that solves the following sequential events:
loads the data file, file50.txt, as a collection of Item types maintained in a Store object
sorts the data using quickSort
prints the data , now in increasing order based on the id field of an Item object
The printing should add a blank line after every 10 items in the output. Include a line number in the output. For example:
Id Inv
1 184 14
2 196 60
3 206 31
4 584 85
5 768 85
6 2370 65
7 3433 5
8 3679 87
9 4329 64
10 5529 11
11 6265 58
12 6835 94
13 6992 76
14 7282 73
15 8303 90
16 9267 68
etc.
You will need to complete the getId(), getItem(), compareTo(), equals() and toString() methods for the Item class.
You will need to complete the Store() constructor, displayStore(), loadFile(), quickSort() and toString() methods for the Store class.
That's the assigned project.
this is a side story. I'm a highschooler, and my teacher always hangs out on the internet, teaching nothing. and like this, he just print some problems from the internet and give it to the students. is there a handout about lesson? no. is this always been like this? yeah...
I have no idea how to right a method called getId(), getInv(), etc...
would anybody please... please help me?
p.s.
the file50.txt is
on http://www.sfusd.edu/schwww/sch697/depts/math/simon/ICTJAVA/WebLessons/APCSL27/file50.txt
quicksort is in
http://www.sum-it.nl/QuickSort.java here.
somebody please... help me out...well you're really going to have to at least do a quick skim of:
http://java.sun.com/docs/books/tutorial/getStarted/index.html
And also how to use a browser and browse the API Docs
especially for: Comparable
You'll also get flamed for just posting a Homework assignment with no evidence of your own attempts to solve it, OR for not formatting the code with
[ c o d e ] [ / c o d e ]
I suppose you get some points if you answer some of the questions?
Try the easy parts first:
Complete the methods of the class Item
Ignore the deliberate Typos in the assignment
see how you have the class members defined already like:
private int myId; // The guy couldn't be bothered to document his code
private int myInv; // So you will have to.......document itlook at this:
public int getId() {}As it is the compiler will just say : Missing method body, or declare abstract...
Your job is to guess what it should do from the 'signature'
It must return an int and that should be related to Id neh?
So try things like:
@return the value of the myId field.
public int getId()
return this.myId; // return myId would do as well
Sets the value of myId field
@param newId the new Id to set.
public void setId( int newId )
this.myId = newId; // the old value is replaced with the new
}do the rest of the simple obvious methods.
You will get some marks and improve your confidence with simple Java
Read The API doc on Comparable Interface:
Decide Carefully how you want to "Order" Objects of type Item.
In this case this will probably depend first on myId and then subsequently on myInv
The Comparable interface helps Sorting methods decide qhich object comes first when sorting.
you will need ssomething like this.
Implements Comparable - Read the API
public int compareTo( Object o ) throws ClassCastException, NullPointerException
if( o == null )
throw new NullPointerException("Blah blah blah");
if( !( o instanceof Item ) )
throw new ClassCastException("Apples and Oranges!");
Item item = ( Item ) o; // Cast o to an Item so it can be checked
if( this.getId() < item.getId() )
return -1; // Signal that "this"is less than o
if ( this.getId() > item.getId() )
return 1;
// here both items have the same myId field
if( this.getInv() < item .getInv() )
return -1;
if( this.getInv() > item.getInv() )
return 1;
return 0; // they are at the same sort order
}You use that method like:
Item a;
Item b;
if( a.compareTo( b ) < 0 )
//blah blah
}To write the equals method read the API it is similar to compareTo()
To Read The file : Search on this forum for reading a file line by line.
Check the API.
ALso if you have installed Java:
There are many examples of how to do this in the demo directory
Even one on QuickSort ---
So plug away.................. -
Simple array comparison not working. Please HELP!
I have been struggling to solve this problem for a few days now, and I'm slowly losing my mind.
I am in Adobe Acrobat 10.
I have a group of button fields called: btn0, btn1, btn2, etc.
I have a group of text fields called: txt0, txt1, txt2, etc.
I have a script that takes the value of txt0 and makes it the caption for btn0, and so on.
I have a script that sets the MouseUp action of btn0 to setFocus to txt0, and so on.
These scripts work fine.
I have a script that takes the values of all the txt fields and puts them in an array, and sorts it.
I have a script that takes the array[0] item and makes it the caption for btn0, and so on (alphabetizing my list of buttons).
Those scripts work fine.
I am trying to compare the value of the array[0] item to each of the txt fields to find the match, and then set the MouseUp action of btn0 to setFocus to the matching txt field, and so on (so my alphabetized list points to the correct locations).
This is where I'm at a loss.
Here is what I have:
//specified the txt fields
var txt0 = this.getField("Z name");
var txt1 = this.getField("A name");
//etc.
//put their values into an array called rxArray
var rxArray = [txt0.value, txt1.value]; //etc.
//sorted the array
rxArray.sort();
//set the captions equal to the sorted array items
for (var i = 0; i < 5; i++) {
var b = ("btn" + i);
this.getField(b).buttonSetCaption(rxArray[i]); //works fine; alphabetizes the list of buttons
//below is what goes wrong
for(var x = 0; x < 5; x++) {
var r = ("txt" + x);
if(rxArray[i] == r.value){
var s = (r + ".setFocus();");
this.getField(b).setAction("MouseUp", s);
//end
Here is what I know:
The alphabetizing and labeling works fine, but the buttons' MouseUp scripts don't work at all. Nothing happens.
If I change the following piece of the above script:
if(rxArray[i] == r.value){
var s = (r + ".setFocus();");
this.getField(b).setAction("MouseUp", s);
To this:
if(rxArray[i] == txt1.value){
var s = (r + ".setFocus();");
this.getField(b).setAction("MouseUp", s);
Because rxArray[0] does equal the value of txt1 ("A name"), then the MouseUp script for btn0 gets set to:
txt4.setFocus();
So I know that, each time the nested loop runs, the if statement is true, and the setFocus script updates. Until the end of the loop, leaving the setFocus as the last item run. So why doesn't my script work? It should only update the setFocus script IF the array item matches the txt field, and should set it to THAT txt field.
Please please help. I know I'm missing something simple in there somewhere.@Try67:
That's a good question. I was running into some other issues and have revamped my code. Here is what I have in my test file:
A list of five buttons and a list of five text fields. One additional button that sets the focus to the next empty text field to add a new item, and two additional buttons, one that sorts my list alphabetically, and one that unsorts it.
with the following field names
The sort button calls function sortName and the unsort calls function sortNumber (the order of entry).
Here are those scripts in final form:
function sortName() {
//first reset the captions for the buttons to blank
for (var a = 0; a < 5; a++) {
var b = ("btn" + a);
this.getField(b).buttonSetCaption("");
var txt0 = this.getField("t0");
var txt1 = this.getField("t1");
var txt2 = this.getField("t2");
var txt3 = this.getField("t3");
var txt4 = this.getField("t4");
var rxArray = [txt0.value, txt1.value, txt2.value, txt3.value, txt4.value];
for(var m = rxArray.length - 1; m > -1; m--){
if(rxArray[m] == ""){
rxArray.splice(m, 1);
rxArray.sort();
var newArray = [txt0, txt1, txt2, txt3, txt4];
for(var n = newArray.length - 1; n > -1; n--){
if(newArray[n].value == ""){
newArray.splice(n, 1);
for (var i = 0; i < rxArray.length; i++) {
var b = ("btn" + i);
this.getField(b).buttonSetCaption(rxArray[i]);
for (var x = 0; x < newArray.length; x++) {
if(rxArray[i] == newArray[x].value){
var s = ("this.getField('" + newArray[x].name + "').setFocus();");
this.getField(b).setAction("MouseUp", s);
//end
function sortNumber() {
var txt0 = this.getField("t0");
var txt1 = this.getField("t1");
var txt2 = this.getField("t2");
var txt3 = this.getField("t3");
var txt4 = this.getField("t4");
var newArray = [txt0, txt1, txt2, txt3, txt4];
for (var x = 0; x < newArray.length; x++) {
var b = ("btn" + x);
this.getField(b).buttonSetCaption(newArray[x].value);
var s = ("this.getField('" + newArray[x].name + "').setFocus();");
this.getField(b).setAction("MouseUp", s);
//end
As you can see, I've used the array lengths rather than fixed numbers, except when clearing the button values. I use a number there because there is no array to reference and didn't feel like making an array just for that. The number of buttons won't change.
I've also added in a splice() method to remove the blank entries from my arrays when appropriate (making using the array length even more important).
The result of the sort is:
The only quirk I've found in all this is with the Add New button, which calls function addNew, which is:
function addNew() {
var txt0 = this.getField("t0");
var txt1 = this.getField("t1");
var txt2 = this.getField("t2");
var txt3 = this.getField("t3");
var txt4 = this.getField("t4");
var newArray = [txt0, txt1, txt2, txt3, txt4];
for (var i = newArray.length - 1; i > -1 ; i--) {
if (newArray[i].value == "") {
newArray[i].setFocus();
//end
For this, I would have though that running through the array from start to finish looking for the first empty text field and setting the focus to it would have been correct. But that resulted in the last empty text field being focused. So I reversed the for loop to run finish to start, and the result was that the first empty field was focused. Not sure why that is...
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