radiobutton.java

来自「samplecode 111 for J2SE project」· Java 代码 · 共 40 行

package soe;

import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class RadioButton{
	public static void main(String[] args)
	{
		Frame fm=new Frame("RadioButton Group");
		Label l=new Label("What is your choice:");
		fm.setLayout(new GridLayout(0,1));
		CheckboxGroup cg1=new CheckboxGroup();
		fm.add(l);
		fm.add(new Checkbox("MATH",cg1,true));
		fm.add(new Checkbox("PHYSICS",cg1,false));
		fm.add(new Checkbox("CHEMISTRY",cg1,false));
		fm.add(new Checkbox("ENGLISH",cg1,false));
		fm.setSize(250, 200);
		fm.setVisible(true);
		fm.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent we){
				System.exit(0);
			}
		});
		
			
	}

	void add(String string) {
		// TODO Auto-generated method stub
		
	}

}