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How do I use more then one int in a public static void displayTwiceTheNumber

How do I use more then one int in a public static void displayTwiceTheNumber

Anyone willing to help me with this?

Part A:

Write an application whose main() method holds two integer variables. Assign values to the variables. In turn, pass each value to methods named...

I was writing some practice codes and keep getting the same error.


import java.util.Scanner;
public class NumbersDemo
{
public static void main (String args[])
{
int a = 5;
int...

Ok that fixed that error but now it gives the error, **error: method displayNumberPlus100(int) is already defined in class NumbersDemo**, for every (int b)

I looked up some Java problems and made a code for one but it keeps giving the same error on the public classes
import java.util.Scanner;
public class NumbersDemo
[{
public static void main...