• Status: Solved
  • Priority: Medium
  • Security: Public
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  • Last Modified:

Error can't resolve Class GridLayout

Why does #1 compile fine, while #2  Error can't resolve Class  GridLayout

#1
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;

public class MyClass extends JPanel {

ArrayList myArrayList = new ArrayList();

// Constructor
public MyClass() {

setLayout(new GridLayout(0,3)); // Setting MY layout...
looprow:
for (int row=0; row<20; row++) {
for(int col=0; col<3; col++) {
int n=(20*col+row+1);
if (n>50) break looprow;
JCheckBox check = new JCheckBox("" + n);
}
}

}
}



#2
import java.awt.event.*;
import java.util.*;
import javax.swing.*;

public class MyClass4 extends JPanel {

  JLabel jLabel = new JLabel();
  ArrayList myArrayList = new ArrayList();

public MyClass4() {

     // Call it like this . . .
    JPanel p1 = new JPanel();

    p1.setLayout(new GridLayout(0,3));// Setting MY layout...
 
    add(jLabel);  
    jLabel.setText("Defensive Moves");
    setBackground(Color.white);

    looprow:
    for (int row=0; row<20; row++) {
    for(int col=0; col<3; col++) {
    int n=(20*col+row+1);
    if (n>50) break looprow;
    JCheckBox check = new JCheckBox("" + n);

    myArrayList.add(check);
    add(check);
    }
    }
}
}
0
Drop_of_Rain
Asked:
Drop_of_Rain
  • 4
1 Solution
 
GrandSchtroumpfCommented:
you need
import java.awt.*;
0
 
GrandSchtroumpfCommented:
or just
import java.awt.GridLayout;
0
 
GrandSchtroumpfCommented:
or use fully qualified name:
    p1.setLayout(new java.awt.GridLayout(0,3));// Setting MY layout...
0
 
Drop_of_RainAuthor Commented:
Thanks, I have another question up
0
 
GrandSchtroumpfCommented:
:°)
0

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