throwsdemo.java

精通java核心技术》随书源代码

import java.io.*;
  
public class ThrowsDemo {
	void throw1() throws FileNotFoundException
   	{
   		throw new FileNotFoundException ( "excp1" );
   	}
   
   	void throw2() throws Exception
   	{
     		try {
       			System.out.println( "Call method throw1" );
       			throw1();
     		}
     		catch ( Exception e ) {
       			System.out.println( "Caught in throw2:" + e );
       			throw e;
     		}
   	}

   	public static void main( String args[] )
   	{
      		ThrowsDemo app = new ThrowsDemo();
      		try {
        		System.out.println( "Call method throw2" );
        		app.throw2();
      		}
      		catch ( Exception e ) {
         	    System.out.println( "Caught in main:" + e );
       	    }
    }
}