mathoperations.java

项目实战

package mymath;
public class MathOperations{
	public int add(int num1,int num2){
		return (num1+num2);
	}
	public int sub(int num1,int num2){
		return (num1-num2);
	}
	public int multiply(int num1,int num2){
		return (num1*num2);
	}
}