public class Test {
public static void main(String[] args) throws InterruptedException {
System.out.println("prog start !!!!!!!!!!!!!");
// new Thread(new MyThread()).start();
int sum = 0;
while (true) {
try {
sum ++;
System.out.println("start sleep sum ="+sum);
Thread.sleep(1000);
System.out.println("end sleep");
int a = 1;
int b = 2;
int c = 3;
int d = 0;
d = a + b;
System.out.println("d = " + d);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
javac Test.java
java -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000 -classpath . Test
jdb -connect com.sun.jdi.SocketAttach:hostname=127.0.0.1,port=8000
jdb help
