I can't understand why we need compared, equal method. What is the important reason to use it to compared variables ...
to see if the two variable are equal, for example password? or when you do a console program that takes user input, and compare the input with the predefined options, then execute the code corresponding to the user input
if you are wondering why equal method exist, when == can so the task.... well... == is for reference comparison, equal method is for object comparison http://stackoverflow.com/questions/7520432/what-is-the-difference-between-vs-equals-in-java
Thank you Heng. Yeah.. A password should not be equal to others, and need comparison :0 I will read the page that you uploaded.