Java Varargs - Simple Addition

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    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();
            }
        }
    
    }
    
  • + 0 comments
        public void add(Integer... numbers) {
            int total = Arrays.asList(numbers)
            .stream()
            .mapToInt(Integer::intValue)
            .sum();
            
            String output = Arrays.asList(numbers)
            .stream()
            .map(n -> n.toString())
            .collect(Collectors.joining("+"));
    
            System.out.println(output + "=" + total);
        }
    
  • + 0 comments
    class Add{
        public static void add(int... numbers){
            StringBuilder sb = new StringBuilder();
            int suma = 0;
        
            for (int i = 0; i < numbers.length; i++) {
                suma += numbers[i];
                sb.append(numbers[i]);
                if(i < numbers.length-1){
                    sb.append("+");
                }
            }
            sb.append("="+suma);
            System.out.println(sb);
        }
    }
    
  • + 0 comments

    class Add{

    public static void add(int n1,int n2){
       System.out.printf("%d+%d=%d\n",n1,n2,n1+n2);
    }
    public static void add(int n1,int n2,int n3){
        System.out.printf("%d+%d+%d=%d\n",n1,n2,n3,n1+n2+n3);
    }
    public static void add(int n1,int n2,int n3,int n4,int n5){
        System.out.printf("%d+%d+%d+%d+%d=%d\n",n1,n2,n3,n4,n5,n1+n2+n3+n4+n5);
    }
    public static void add(int n1,int n2,int n3,int n4,int n5,int n6){
        System.out.printf("%d+%d+%d+%d+%d+%d=%d\n",n1,n2,n3,n4,n5,n6,n1+n2+n3+n4+n5+n6);
    }
    

    }

    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();
            }
        }
    

    }

  • + 0 comments

    public void add(int...n) { int s=0; for(int i=0;i

    }}