Why does my icon handling code throw a NullPointerException?

Question

I have added an image for my button,but when I run that frame this exception will be thrown .why?please help me.

init:

deps-jar:
compile-single:
run-single:         


        

Answer 1

It looks like getClass().getResource("/Images/yahoo_1.gif") returns null i.e. the .gif cannot be found on your classpath. (Images versus images maybe?)