Define a class to overload the method print as follows: void print ()

Define a class to overload the method print as follows: 
  void print () — to print the format  
  1 
  2  3
  4  5  6
  7  8  9  10
  boolean print (int n) — to check whether the number is a Dudeney number ,a number is dudeney if the cube of the sum of the digits is equal to the number itself. 
  Eg : 512 = (5+1+2)3 =(8)3 = 512 
  void print (int a, char ch) — if ch = s or S print the square of the number else if ch =c or C print the cube of the number.

Solution:

define a class to overload the method print as follows: void print () — to print the format

 

import java.util.*;
class Overload
{
  void print()
  {
      int count=1;
      for(int i=1;i<=4;i++)
      {
          for(int j=1;j<=i;j++)
          {
              System.out.print(count++ +" ");
          
          }
          System.out.println();
      }
  }
  Boolean print(int n)
  {
      
      int s=0,temp=n;
      while(temp!=0)
      {
          s=s+temp%10;;
          temp=temp/10;
      }
      if(n == (int)Math.pow(s,3))
          return true;
      else
          return false;
  }
  void print(int a,char ch)
  {
      if (ch=='s' || ch =='S')
          System.out.println(Math.pow(a,2));
      else if(ch == 'c' || ch == 'C')
          System.out.println(Math.pow(a,3));
  }
  
  public static void main(String args[])
  {
      Overload obj=new Overload();
      obj.print();
      
      Scanner sc=new Scanner(System.in);
      System.out.println("Enter a number");
      int no=sc.nextInt();
      boolean check=obj.print(no);
      if (check)
          System.out.println("It is a Dudency number");
      else
          System.out.println("It is not a Dudency number");
      
      System.out.println("Enter a number");
      int no1=sc.nextInt();
      System.out.println("Enter the character");
      char c=sc.next().charAt(0);
      obj.print(no1,c);    
  }
}

Solution:

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