60e977292f75001d1852c5a2d1b89bde

来自「java程序设计教程的源码」· 代码 · 共 20 行

//【例8-4】  抛出异常示例。
//程序清单8-4:  ThrowDemo.java
public class ThrowDemo {
	public static void demoproc() {
		try {
			throw new NullPointerException("demo");
		} catch (NullPointerException e) {
			System.out.println("Caught inside demoproc.");
			throw e; // 抛出异常
		}
	}
	public static void main(String args[]) {
		try {
			demoproc();
		} catch (NullPointerException e) {
			System.out.println("Recaught:" + e);
		}
	}
}