public class test33 { public static void main(String[] args) { Xc46 xc46=new Xc46(); Thread dd = new Thread(xc46); dd.start(); try { dd.join(); } catch (Exception e) { } for (int i=0;i<15;i++) { System.out.println("主函数"+i); } } } class Xc46 implements Runnable { public void run() { for (int i = 0; i < 30; i++) { System.out.println( "歌谣" + i); } } }