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Copy pathHackerrankJava0057.java
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HackerrankJava0057.java
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import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
public class HackerrankJava0057 {
public static void main(String[] args) {
// Java Varargs - Simple Addition
// https://www.hackerrank.com/challenges/simple-addition-varargs/problem?isFullScreen=true
try {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int n1 = Integer.parseInt(br.readLine());
int n2 = Integer.parseInt(br.readLine());
int n3 = Integer.parseInt(br.readLine());
int n4 = Integer.parseInt(br.readLine());
int n5 = Integer.parseInt(br.readLine());
int n6 = Integer.parseInt(br.readLine());
Add ob = new Add();
ob.add(n1, n2);
ob.add(n1, n2, n3);
ob.add(n1, n2, n3, n4, n5);
ob.add(n1, n2, n3, n4, n5, n6);
Method[] methods = Add.class.getDeclaredMethods();
Set<String> set = new HashSet<>();
boolean overload = false;
for (int i = 0; i < methods.length; i++) {
if (set.contains(methods[i].getName())) {
overload = true;
break;
}
set.add(methods[i].getName());
}
if (overload) {
throw new Exception("Overloading not allowed");
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
class Add {
public void add(int... values) {
int sum = Arrays.stream(values).sum();
String equationLeftSide = Arrays.stream(values).mapToObj(String::valueOf).collect(Collectors.joining("+"));
System.out.println(equationLeftSide + "=" + sum);
}
}