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Since Java is object-oriented, programs are organized into modules called classes, which may have data in variables and functions called methods.
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class HelloWorld
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{ public static void main ( )
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{ System.out.println("HelloWorld");
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}
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}
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Each program is enclosed in a class definition
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Main() is first routine that is run
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Syntax is similar to C
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Use braces for brackets and
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semicolons after each statement
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Upper and lower case matter!
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This notation is
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Package.class.method and is
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used to refer to public methods in other classes
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use class.method if package included
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some classes can be accessed automatically
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