choiceoptionexample.java

来自「samplecode 111 for J2SE project」· Java 代码 · 共 54 行

package soe;

import java.awt.Choice;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Label;
import java.awt.List;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class ChoiceOptionExample {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		 
		Frame frame=new Frame("Choice");
		Label label=new Label("What is your Choice:");
		Choice choice=new Choice();
		frame.add(label);
		frame.add(choice);
		choice.add("ROSE");
		choice.add("JASMIN");
	
		choice.add("RHODODENDRONS");
		List lst=new List(4,true);
		lst.add("Java Programming");
		lst.add("Network Security");
		lst.add("Database Design");
		lst.add("Advanced Java");
		frame.add(lst);
		int a=choice.getSelectedIndex();
		System.out.println("Selected index :" + a);
		
		int a1=choice.getItemCount();
		System.out.println("Number of Items :" + a1);
		
	//	String a2=choice.getSelectedItem();
		System.out.println("Selected Item :"+choice.getSelectedItem() );
	
		frame.setLayout(new FlowLayout());
		frame.setSize(250,150);
		frame.setVisible(true);
		frame.addWindowListener(new WindowAdapter(){
		public void windowClosing(WindowEvent e){
		System.exit(0);}
		});
		}

	}