JavaのThread
Thereadをそのまま使うか、implements Runnableかextends Threadするかの3通りがある。
public class ThreadTest{ private class CountThread implements Runnable{ private int count; public CountThread(int count){ this.count = count; } public void run(){ while(true){ System.out.println("Thread(Runnable) : "+count); count++; try{ Thread.sleep(1000); } catch(Exception ex){ ex.printStackTrace(); } } } } public static void main(String args[]){ System.out.println("start"); ThreadTest app = new ThreadTest(); app.run(); } public void run(){ Thread cth = new Thread(new CountThread(3)); cth.start(); Thread th = new Thread(){ private int count; public void start(){ this.count = count; super.start(); } public void run(){ while(true){ System.out.println("Thread : "+count); count++; try{ Thread.sleep(1000); } catch(Exception ex){ ex.printStackTrace(); } } } }; th.start(); class CountThread extends Thread{ private int count; public CountThread(int count){ this.count = count; } public void run(){ while(true){ System.out.println("Thread(extend) : " + count); count++; try{ Thread.sleep(1000); } catch(Exception ex){ ex.printStackTrace(); } } } } new Thread(new CountThread(5)).start(); } }