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this.name=name; } }

15.ÔÚÏÂÁгÌÐòµÄÖ÷Ïß³Ìmai n ·½·¨ÖУ¬ÓÖ¿ªÊ¼ÔËÐÐÁ˼¸¸öỊ̈߳¿ import java.awt.* ; import java.awt.e vent.*;

class Gxy extends Thread implements Runnable {

Frame f=new Frame(\

TextField text1=new TextField(20 ),text2=new TextField(20 ),text3=new TextField(20 ); double n=0,ÕýÃæ=0,·´Ãæ=0,ÕýÁ¢=0; Gxy() {

f.setLayou t(new FlowLayout( )); f.setSi ze ( 2 00,300); f.setVisib le(true); f.add(text 1); f.add(text 2); f.add(text 3); f.validate ();

f.addWind owListener(new WindowAda pter() {

public void windowClosi ng(WindowEvent e) {

System.exi t(0); } }); }

public void run() {

while(tru e) { n++;

double i=Math.ra ndom(); if(i<0.5) { ÕýÃæ++;

text1.setT ext(\ÕýÃæ³öÏֵįµÂÊ:\ÕýÃæ/n);

}

else if(i==0.5) { ÕýÁ¢++;

text2.setT ext(\ÕýÁ¢³öÏֵįµÂÊ:\ÕýÁ¢/n); } else { ·´Ãæ++;

text3.setT ext(\·´Ãæ³öÏֵįµÂÊ:\·´Ãæ/n); } try {

Thread.sle ep(200); }

catch(Exce ption e) {} } } }

public class E {

public static void main(Strin g args[]) {

Thread t=new Thread(new Gxy()); t.start(); } }