hackerrank/java/HackerrankJava0057.java at master · mcakar-dev/hackerrank · GitHub

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importjava.io.BufferedReader;
importjava.io.InputStreamReader;
importjava.lang.reflect.Method;
importjava.util.Arrays;
importjava.util.HashSet;
importjava.util.Set;
importjava.util.stream.Collectors;

publicclassHackerrankJava0057 {

publicstaticvoidmain(String[] args) {
// Java Varargs - Simple Addition
// https://www.hackerrank.com/challenges/simple-addition-varargs/problem?isFullScreen=true

try {
BufferedReaderbr = newBufferedReader(newInputStreamReader(System.in));
intn1 = Integer.parseInt(br.readLine());
intn2 = Integer.parseInt(br.readLine());
intn3 = Integer.parseInt(br.readLine());
intn4 = Integer.parseInt(br.readLine());
intn5 = Integer.parseInt(br.readLine());
intn6 = Integer.parseInt(br.readLine());
Addob = newAdd();
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 = newHashSet<>();
booleanoverload = false;
for (inti = 0; i < methods.length; i++) {
if (set.contains(methods[i].getName())) {
overload = true;
break;
 }
set.add(methods[i].getName());

 }
if (overload) {
thrownewException("Overloading not allowed");
 }
 } catch (Exceptione) {
e.printStackTrace();
 }
	}
}

classAdd {
publicvoidadd(int... values) {
intsum = Arrays.stream(values).sum();
StringequationLeftSide = Arrays.stream(values).mapToObj(String::valueOf).collect(Collectors.joining("+"));
System.out.println(equationLeftSide + "=" + sum);
	}
}