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Java Varargs - Simple Addition

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  • mohammed_abrar_1
     + 0 comments

    java15:

    import java.io.; import java.lang.reflect.; import java.util.*;

    class Add { public void add(int... numbers) { int sum = 0; StringBuilder sb = new StringBuilder(); for (int i = 0; i < numbers.length; i++) { sum += numbers[i]; sb.append(numbers[i]); if (i != numbers.length - 1) { sb.append("+"); } } sb.append("=").append(sum); System.out.println(sb); } }

    public class Solution { public static void main(String[] args) { try { Scanner sc = new Scanner(System.in); int n1 = sc.nextInt(); int n2 = sc.nextInt(); int n3 = sc.nextInt(); int n4 = sc.nextInt(); int n5 = sc.nextInt(); int n6 = sc.nextInt(); 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);

            // Reflection check (required by HackerRank)
        Method[] methods = Add.class.getDeclaredMethods();
        Set<String> set = new HashSet<>();
        boolean overload = false;
        for (Method method : methods) {
            if (set.contains(method.getName())) {
                overload = true;
                break;
            }
            set.add(method.getName());
        }
        if (overload) {
            throw new Exception("Overloading not allowed");
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

    }

  • Damian_GDO_92
     + 0 comments
    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);
    }
}

  • arthur_avelar
     + 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);
    }
}

  • 236sakshisingh
     + 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);
}

    }

  • yashdeora98294
     + 0 comments

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