chap10-13.txt

JAVA 学习资源

// 程序10-13
import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;
import java.io.*;

public class testJList{
    public static void main(String args[ ]){
        testJList  obj=new testJList( );
        obj.testList( );      
    }
    
    public void testList( ){        
        String colors[ ]={"Red","Blue","Green","Yellow"};
        JList  list=new JList(colors); 
        JFrame frame=new JFrame("TestList");
        Container contentPane=frame.getContentPane( );

        list.setVisibleRowCount(3);        
        JScrollPane  pane=new JScrollPane(list);        
        contentPane.add(pane,BorderLayout.CENTER);
        frame.setSize(200,200);
        frame.show( );
    }
}