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private static void Correctly() {
setup();
if (!team.isRightPlayer("KeiTh SMITH", "hammer"))
System.out.println("Incorrectly case-rejected show: Keith");
if...

If you'll explain what that method is supposed to do, maybe someone can tell you what it does.

One quick way to find out is to test it. Call it with many different types of Strings and observe the...

Read the API doc for the String class. There are many methods there that will be useful to you.
Java Platform SE 6