Java方法重载

/**
 * 测试方法重载
 * @author 张涛
 *
 *方法重载：
 *        1.必须在同一个类中
 *        2.方法名相同
 *        3.形参的个数，顺序，类型不同
 *        4.与方法的修饰值返回值无关
 *
 */
public class TestOverLoad 
{
    public static void main(String[] args)
    {
        System.out.println(TestOverLoad.add(3, 5));
        System.out.println(add(3,5));
    }
    public static int add(int a,int b)
    {
        int m = a + b;
        return m;
    }
    public static int add(int a,int b,int c)
    {
        int m = a + b + c;
        return m;
    }
    public static double add(int a,double b)
    {
        double m = a + b;
        return m;
    }
    public static double add(double a,double b)
    {
        double m = a + b;
        return m;
    }
    public static double add(double a,int b,double c)
    {
        double m = a + b + c;
        return m;
    }
}