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I am trying to run this project called “hello user”. I am new to Java, so wrote a simple program that takes your name, and displays “Hello “. while Running it, I get the following error:
run:
Error: Could not find or load main class hello.world.HelloWorld
Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)
But when I run file HelloWorld.java, it does it fine
I am doing this on Netbeans IDE 7.2
Rather than the coding error, it could be related to IDE. Since the “Run File” runs okay, but ‘Run Project” does not, I believe you have something to set up in IDE itself. Right click the project, and select “Set is as Main”, now run the project. I am just giving it a guess, may not help you. But it worth a shot.If it does not help, please paste your code too.