終わらないプロセス

test.java

public class test {
	public static void main(String[] args) throws Exception {
		new Thread(new Runnable() {
			public void run() {
				while(true) {
					try {
						System.out.println("Hello!");
						Thread.sleep(1000);
					} catch(InterruptedException e) {
						// ignore
					}
				}
			}
		}).start();

		Thread.sleep(5000);
		//System.exit(0);
		throw new NoClassDefFoundError();
	}
}