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java
3 years ago
1.2 kB
2
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Never
package midterm2; import javax.swing.*; import java.awt.*; import java.awt.event.*; public class midterm2task1 { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setSize(300, 200); // GridLayout grid = new GridLayout(3, 4); frame.setLayout(grid); JButton b1 = new JButton("0"); int a = Integer.parseInt(b1.getLabel()); JButton[] array1 = new JButton[12]; for(int i = 0; i<12; i++) { array1[i] = new JButton(); a++; array1[i].setLabel(""+a); frame.add(array1[i]); } int b = Integer.parseInt(b1.getLabel()); for(int i=0;i<12;i++) { array1[i].addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { for (int j = 0; j < 12; j++) { array1[j].setLabel("1"); frame.add(array1[j]); } } }); } frame.setVisible(true); } }