Array

17. Program

(Imp_Q) Comparing the element with average value ?

class X  
{
 public static void main(String args[])
 {
  int[] a = {10, 2, 5, 3, 9, 2, 8, 10, 11, 20, 10};
  int total = 0;
  double sum = 0;
  double avg = 0;
  for(int i = 0; i < a.length; i++)
  {
   sum += a[i];
   total++;
  }
  avg = sum / total;
  for(int i = 0; i < a.length; i++)
  {
   if(a[i] > avg)
   {
    System.out.println("index value" + i + ", element of index" + a[i] + " is greater than " + avg);
   }
   else
   {
    System.out.println("index value" + i + ", element of index" + a[i] + " is less than " + avg);
   }
  }
 }
}  

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18. Program

Find out an array left strength or right strength ?

class Y  // Find out an array left strength or right strength?
{
 public static void main(String args[])
 {
  int[] a = {10, 2, 5, 3, 9, 2, 8, 10, 11, 20, 10};
  int leftStrength = 0, rightStrength = 0;
  int mid = a.length / 2;
  for(int i = 0; i < mid; i++)
  {
   leftStrength += a[i];
  }
  for(int i = mid; i < a.length; i++)
  {
   rightStrength += a[i];
  }
  
  if(leftStrength < rightStrength)
  {
   System.out.println("Left Strength : " + leftStrength + " is less than Right Strength : " + rightStrength);
  }
  else if(leftStrength > rightStrength)
  {
   System.out.println("Left Strength : " + leftStrength + " is greater than Right Strength : " + rightStrength);
  }
  else if(leftStrength == rightStrength)
  {
   System.out.println("Left Strength : " + leftStrength + " is equal to Right Strength : " + rightStrength);
  }
 }
}  

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19. Program

(Imp_Q) Find out the sequential three indexes, where sum of first and second is third ?

class A  
{
 public static void main(String args[])
 {
  int[] a = {1, 2, 3, 2, 3, 4, 11, 13, 24};
  int x, y, z;
  for(int i = 0; i < a.length - 2; i++)
  {
   x = a[i];
   y = a[i+1];
   z = a[i+2];
   if((x+y) == z)
   {
    System.out.println(x);
    System.out.println(y);
    System.out.println(z);
   }
  }
 }
}  

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