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作业

Topic source
package com.itranswarp.learnjava;

/**
 * Learn Java from https://www.liaoxuefeng.com/
 * 
 * @author liaoxuefeng
 */
public class Main {

	public static void main(String[] args) {
		String a = "12";
		String b = "x9";
		// TODO: 捕获异常并处理
		int c = stringToInt(a);
		int d = stringToInt(b);
		System.out.println(c * d);
	}

	static int stringToInt(String s) {
		try {
			return Integer.parseInt(s);
		}catch(NumberFormatException e){
			System.out.println("bad input");
			e.printStackTrace(); // 记录在 栈堆里
			
		}catch(Exception e1){
			System.out.println(e1);
			
		}
		finally {
			System.out.println("END");
		}
		return 0;
	}
}


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