大家帮忙解决一道java题吧!
来源:百度知道 编辑:UC知道 时间:2024/06/28 05:26:50
class Adder {
public static String add(String a ,String b) {
return a + b ;
}
public static int add(int a ,int b) {
return a + b ;
}
public static float add(float a ,float b) {
return a + b ;
}
public static void main(String args[]) {
System.out.println (Adder.add(1,3)) ;
System.out.println (Adder.add("1","3")) ;
System.out.println (Adder.add(1.1F,3.3F)) ;
}
}
public class Adder {
public static int method(int n, int m) {
return n + m;
}
public static String method(String n, String m) {
return n + m;
}
public static float method(float n, float m) {
return n + m;
}
public static void main(String[] args) {
int n = 5, m = 6;
String n1 = "Hi", m1 = " 你好 !";
float n2 = 5.7f, m2 = 6.9f;
int count = method(n, m);