Method Signature in Java

In the Java method, the signature consists of the method name followed by argument types.

method(int, float)

The return type of the method is not a part of the method signature in Java.

The compiler will use the method signature to resolve method calls.

public class MethodSignature  {
    public void method(){
        System.out.println("Method with one argument");

    }
    public void method(int a, int b){
        System.out.println("Method with two argument");

    }

    public static void main(String[] args) {
        MethodOverloading object = new MethodOverloading();
        object.method();
        object.method(1,2);
    }
}

In a class, more than one method with the same signature is not allowed. if we declare more than one method with the same signature then we will get compile time error- “‘method(int)’ is already defined in ‘MethodSignature'”.

public class MethodSignature {
    public void method(int a){
    }
    public void method(int a){
    }

    }

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