- 835 名前：デフォルトの名無しさん mailto:sage [2008/01/09(水) 17:58:19 ]
- import java.util.*;
import javax.swing.*;
public class NewJFrame2 extends javax.swing.JFrame {
List<String> dummyList = new ArrayList<String>();
JList jList;
public NewJFrame2() {
setDefaultCloseOperation( WindowConstants.EXIT_ON_CLOSE);
JScrollPane jScrollPane = new JScrollPane();
jList = new JList();
jScrollPane.setViewportView(jList);
getContentPane().add(jScrollPane, java.awt.BorderLayout.CENTER);
for ( int i=0; i<300; i++ ) {
StringBuilder sb = new StringBuilder();
int max = (int)(Math.random() * 100 + 1);
//int max = 20;
for ( int j=0; j<max; j++ ) sb.append("A");
dummyList.add(sb.toString() + " " + i);
}
jList.setModel(new AbstractListModel() {
public int getSize() { return dummyList.size(); }
public Object getElementAt(int index) {
return dummyList.get(index);
}
});
pack();
}
public static void main(String args[]) {
new NewJFrame2().setVisible(true);
}
}
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