In the Java programming language, a method signature is the method name and the number and type of its parameters. Return types and thrown exceptions are not considered to be a part of the method signature. لايكمن لدلة ان يكون لها نفس الاسم ونوع البارميتر نوع الارجاع ليس مهاما return type is not part of method signature compiler will use method signature to resolve method calls