Throw exception inside catch clause

Question

I have two snippet of code :

class PreciseRethrow {
public static void main(String[] str) {
    try {
        foo();
    } catch (NumberFormatException ife)          


        

Answer 1

In the first code snippet, you are re-throwing the NumberFormatException that could possibly come up. In the second code snippet, you are throwing just general Exception, which is not NumberFormatException, as the method has declared.