Calculator

InstanceCalculator.java

public class InstanceCalculator
{
	public  dd(int num1, int num2)
	{
		return num1 + num2;
	}
	
	public  ubtract(int num1, int num2)
	{
		return num1 - num2;
	}
	
	public static void main(String[] args)
	{
		Calculator ourCalculatorObject = new Calcultor();
		int result = ourCalculatorObject.add(2, 2);
	}
}

StaticCalculator.java

public class StaticCalculator
{
	public static add(int num1, int num2)
	{
		return num1 + num2;
	}
	
	public static subtract(int num1, int num2)
	{
		return num1 - num2;
	}
	
	public static void main(String[] args)
	{
		int result = Calculator.add(2, 2);
	}
}