extends Thread

package study;
 
public class Thread1 extends Thread {
 
    String t;
    
    public Thread1(String arg0) {
        this.t = arg0;
    }
    
    @Override
    public void run() {
        System.out.println("테스트");
        
        while (true) {
            try {
                sleep(2000);
                System.out.println("while문 안에 있는 출력문");
            } catch (InterruptedException e) {
                // TODO 자동 생성된 catch 블록
                e.printStackTrace();
            }
        }
    }
 
 
 
    public static void main(String[] args) {
        Thread1 t1 = new Thread1("호출");
        t1.start();
 
    }
 
}