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The javac command gives more information that helps in fixing problems. Just saying look here often isn't enough.

You need to find out how to use your IDE so it will give you full texted error messages. Or how to have it give you more details about what the problem is.


The compiler will say what type was...

That's a strange error message from the compiler. Not very specific.
Here is a sample of what I get from the compiler:


TestSorts.java:138: cannot find symbol
symbol : variable var...

Could you copy and post the full text of the compiler's error message?