Overloaded vs Overriden

[Tayitu Betule]

The following code taken from K&B. The book says it should compile fine, when I tested it... it gave me a compiler error. Why?

   

public class Foo {
	public void doStuff(int y, String s) 
               { }
	public void moreThings(int x) 
               { }
}

class Bar extends Foo {
	public void doStuff(int y, long s) throws IOException { }
}

Thanks a lot.

[Nicola Garofalo]

you miss the import statement

[Tayitu Betule]

oh I have it in the code... just forgot to paste it here. This is what I have.

import java.lang.*;

public class Foo {
public void doStuff(int y, String s) { }
public void moreThings(int x) { }
}

class Bar extends Foo {
public void doStuff(int y, long s) throws IOException { }
}

My question is doStuff is an overloaded method... it should not give a compiler error it throws exceptions.

[Nicola Garofalo]

yout still miss it and...you don't need to import java.lang package

it's

import java.io.IOException;

[sumit kothalikar]

import java.io.*;

Really you must include the above package to compile .
And if you have already included in your code then let me make you sure that

  doStuff()  

is overloaded method.
the code compiles good after importing quoted package.

[Prasad Kharkar]

The code compiles just fine after including the IO package
haha
something wrong with your jdk, try reinstalling it