MultiThreading in Java in Java

public class SynchronizedMethod extends Object {
private static int count = 1;
public static synchronized int getCount() {
int i = count;
count++;
return i;
}
private static void print(String msg) {
String threadName = Thread.currentThread().getName();
System.out.println(threadName + ": " + msg);
}
public static void main(String[] args) {
try {
Runnable runnable = new Runnable() {
public void run() {
System.out.println("count=" + getCount());
}
};
Thread threadA = new Thread(runnable, "ThreadA");
threadA.start();
Thread.sleep(500);
Thread threadB = new Thread(runnable, "ThreadB");
threadB.start();
Thread.sleep(500);
Thread threadC = new Thread(runnable, "ThreadC");
threadC.start();
Thread.sleep(500);
Thread threadD = new Thread(runnable, "ThreadD");
threadD.start();
} catch(Exception x ) {}
}
}