阅读下列程序: public class ThreadTest5 extends Thread{ int i = 0; public static void main(String[] args){ Thread t1 = new ThreadTest5(); t1.start(); } public void run( ){ while( i<=2 ){ System.out.println("i =" + i); i++; } } public void run(int j){ j=6; while(true){ System.out.println("j="+j); j++; if(j==8) break; } } } 下列对程序编译和运行结果描述的选项中,正确的是