public class Test
{
public static int a = 0;
public static void main(String[] args)
{
MyThread myThread = new MyThread();
myThread.start();
for ( int i = 0; i < 5; i++)
{
//在这里加注释或者删除注释，看运行结果
//
a = a + 1;
System. out .println(Thread. currentThread ().getName() + "::" + a );
}
}
public static class MyThread extends Thread
{
public void run()
{
for ( int i = 0; i < 5; i++)
{
a = a + 1;
System. out .println(Thread. currentThread ().getName() + ":" + a );
}
}
}
}
