[Java] 纯文本查看 复制代码

import java.io.*;
public class Demo149 {
	public static void main(String[] args) {
		Father father=new Father();
		father.test1();
	}
}

class Father{
	private Son son=null;
	public Father(){
		son=new Son();
	}
	public void test1(){
		System.out.println("1");
		try {
			son.test2();			
		} catch (Exception e) {
			System.out.println("Father在处理Son的异常");
			e.printStackTrace();
		}
	}
}

class Son{
	public void test2() throws Exception{//throws Exception抛出程序块的异常，由调用者解决异常
		FileReader fr=null;
		fr=new FileReader("d:\\aaa.txt");
	}
}

[Java] 纯文本查看 复制代码

import java.io.*;
public class Demo149 {
	public static void main(String[] args) {
		Father father=new Father();
		father.test1();
	}
}

class Father{
	private Son son=null;
	public Father(){
		son=new Son();
	}
	public void test1(){
		System.out.println("1");
		try {
			son.test2();			
		} catch (Exception e) {
			System.out.println("Father在处理Son的异常");
			e.printStackTrace();
		}
	}
}

class Son{
	public void test2() throws Exception{//throws Exception抛出程序块的异常，由调用者解决异常
		FileReader fr=null;
		fr=new FileReader("d:\\aaa.txt");
	}
}