return statement in java

 return statement

returns control to the invoker of a method or constructor .
ReturnStatement:

return Expressionopt ;

• A return statement with no Expression must be contained in the body of a
  method that is declared, using the keyword void, not to return any value , or
  in the body of a constructor .
• A compile-time error occurs if a return statement appears within an instance initializer or a static initializer .
• A return
  statement with no Expression attempts to transfer control to the invoker of the
  method or constructor that contains it.
• To be precise, a return statement with no Expression always completes
  abruptly, the reason being a return with no value.
• A return statement with an Expression must be contained in a method declaration
  that is declared to return a value or a compile-time error occurs.
• The
  Expression must denote a variable or value of some type T, or a compile-time
  error occurs.
• The type T must be assignable to the declared result type of
  the method, or a compile-time error occurs.

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