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Subprograms in Java are called methods. The definition format is
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Returntype Methodname ( Parameterlist )
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{
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declarations and statements
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}
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The parameter list contains the types and names of all the parameters.
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The declarations and statements are called the body of the method. Parameter names and variables declared in the body are local to it.
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Control returns from the methods either when the body is finished execution or a return statement is encountered. Return statements may also return a result.
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