compare two strings in java using command line arguments

2018-06-19 12:37:21

This question already has an answer here:

What does “Could not find or load main class” mean? 39 answers

"Error: Could not find or load main class CompareString"

Your error message says you couldn't load class "CompareString", but your code says your class name is CompareString s .

Your class name is wrong.

Your error says

Error: Could not find or load main class CompareString

but the name of class is CompareStrings not CompareString

launch using java CompareStrings

Read this good tutorial on compiling and launching java programs

First of all you are trying to use wrong class, should be CompareStrings and not CompareString .

Second, I would recommend using a nice utility lib for handling command line called Cliche from Google Code site

And third, it would be good to check if the given string is null before you call compareToIgnoreCase on it

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