why i m not getting the output. I would appreciate any help.

Question

import java.util.Scanner;
public class Program
{
public static void main(String[] args) {
Scanner a = new Scanner(System.in);
String method = a.nextLine();
if(method=="a"){
a();
}
else if(method=="b"){
b();
}
}
public static void a(){
System.out.println("a");
}
public static void b(){
System.out.println("b");
}
}

Answer 1

Heres the error, replace method=="a" and method == "b" with method.equals("a") and method.equals("b")

That will work, Also there is a LOT of different between .equals and ==

Answer 2

@Vishal Prajapati
else if
is proper syntax
@shobhit
.equals
compares the value stored in an object unless you override the method and write your own implementation
==
compares the reference of an object but it works fine on primitives

Answer 3

here comes the error. else if.

you should correct.
}
else
{
if(method=="b"){
b();
}

Hope it works