Java Varargs - Simple Addition

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    class Add {
        void add(int a, int b, int... other) {
            String sumStr = String.format("%d+%d", a, b);
            int sum = a+b;
            
            for (int i=0; i<other.length; i++) {
                sumStr += String.format("+%d", other[i]);
                sum += other[i];
            }
            
            System.out.println(sumStr + "=" + sum);
        }
    }
    
  • + 0 comments
    class Add {
        public void add(int... n) {
            int sum = 0;
            List<String> arr = new ArrayList<>();
            for (int num : n) {
                sum += num;
                arr.add(Integer.toString(num));
            }
            
            System.out.println(String.join("+", arr) + "=" + sum);
        }
    }
    
  • + 0 comments

    class Add{

    void add(int... a){
        int sum=0;
     for(int i=0;i<a.length;i++){
        sum=sum+a[i];
        System.out.print(a[i]);
        if(i<(a.length-1)){
          System.out.print("+");  
        }
     } 
     System.out.println("="+sum);
    }
    

    }

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    Here is Java Varargs - Simple Addition solution - https://programmingoneonone.com/hackerrank-java-varargs-simple-addition-solution.html

  • + 0 comments
    import java.io.BufferedReader;
    import java.io.InputStreamReader;
    import java.lang.reflect.Method;
    import java.util.HashSet;
    import java.util.Set;
    
    class Add {
    
        public void add(int...nums) {
            StringBuilder stringBuilder = new StringBuilder();
            int sum=0;
    
            for(int num: nums) {
                stringBuilder.append(num);
                if(num != nums[nums.length-1]) {
                    stringBuilder.append("+");
                }
                sum+=num;
            }
    
            stringBuilder.append("=").append(sum);
            System.out.println(stringBuilder);
        }
    }
    
    
    public class Solution {
    
        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);
                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();
            }
        }
    
    }