Method Declaration. The method declaration provides information about method attributes, such as visibility, return-type, name, and arguments . It has six components that are known as method header, as we have shown in the following figure. Method Signature: Every method has a method signature.

Method Declaration. The method declaration provides information about method attributes, such as visibility, return-type, name, and arguments . It has six components that are known as method header, as we have shown in the following figure. Method Signature: Every method has a method signature.