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JavaVarArgs.java

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import java.io.*;

import java.lang.reflect.*;

import java.util.*;

class Add {

public void add(int... intArgs) {

int sum = 0;

String separator = "";

for (int i : intArgs) {

sum += i;

System.out.print(separator + i);

separator = "+";

}

System.out.println("=" + sum);

}

public class JavaVarArgs {

public static void main(String[] args) {

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);

// Checking if Add Method is being overloaded

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();

}