trycatchfinally.java

来自「java 教程相应的代码 全是自己写的内附注释 很容易看明白的」· Java 代码 · 共 31 行

package demo.chapter06.ex;

import java.util.InputMismatchException;
import java.util.Scanner;

/**
 * 处理异常的范例
 * @author Frank
 */
public class TryCatchFinally {
	
	public static void main(String[] args) {
		System.out.println("请输入需要累加的数值:(0退出)");
		Scanner scan = new Scanner(System.in);
		int total = 0;
		try {
			while (true) {
				int n = scan.nextInt();
				if (n == 0)
					break;
				total += n;
			}
		} catch (InputMismatchException e) {
			System.out.println("输入了无效数值，程序将退出");
		} finally {
			System.out.println("当前的累加值为:" + total);
		}
	}

}