001 直接throw new RuntimeException("xxx")的异常错误信息是谁打印的？

public class Test {
	public static void main(String[] args) {
		throw new RuntimeException("俺是一个异常");
	}
}

Exception in thread "main" java.lang.RuntimeException: 俺是一个异常
	at Thread.Test.main(Test.java:5)