package cnblogs;

public class TestBase09MathReload {

public static void main(String[] args) {

System.out.println(sum(10,20));

System.out.println(sum(10L,20L));

System.out.println(sum(10.0,20.0));

}

//以下重载sum方法

public static int sum(int a,int b){

System.out.println("int求和");

return a+b;

}

public static long sum(long a,long b){

System.out.println("long求和");

return a+b;

}

public static double sum(double a,double b) {

System.out.println("double求和");

return a + b;

}

}