Creating a Double[][]

Question

Hello,
I am trying to make a Double[][] like so.....
Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};I have done this before in other programs. however when i try it now i get this error.....
mohadib@mohadib ~/java_restore/contacts_act--->javac ContactGUI.java
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                    ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                        ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                            ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                      ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                         ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                            ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                               ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                                  ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                                     ^
ContactGUI.java:22: incompatible types
found   : int
required: java.lang.Double
                Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
                                                                        ^
ContactGUI.java:23: cannot resolve symbol
symbol  : constructor TableLayout (java.lang.Double[][])
location: class layout.TableLayout
        TableLayout layout = new TableLayout(size);
                             ^
12 errors
mohadib@mohadib ~/java_restore/contacts_act--->here is the code.......
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import layout.TableLayout;
public class ContactGUI extends JFrame{
     public ContactGUI(){
          JPanel mainPanel = new JPanel();
          mainPanel.setPreferredSize(new java.awt.Dimension(800,600));
          defaultContact(mainPanel);
          getContentPane().add(mainPanel);
          pack();
        setSize(800,600);
        setVisible(true);
     public void defaultContact(JPanel mainPanel){
          JPanel contactMainPanel = new JPanel();
          contactMainPanel.setPreferredSize(new java.awt.Dimension(800,600));
          Double[][] size = {{200,200,200,200},{50,50,50,50,50,50,300}};
        TableLayout layout = new TableLayout(size);
        contactMainPanel.setLayout(layout);
          mainPanel.add(contactMainPanel);
     public static void main(String[] args){
          ContactGUI cGUI = new ContactGUI();
}can someone tell me what im doing wrong.
thanks,
jd

Answer 1

The values you are assigning to the array are ints, not doubles.
Doubles have decimal places.
If you need decimal places in the array, initialise it with 200.0 etc... otherwise, make it an int array.