Array

26. Program

(Imp_Q) Write a program for left shift by 2 elements in array ?

class J
{
 public static void main(String args[])
 {
  int[] a = {2, 4, 4, 2, 4, 7, 4, 5};
  for(int i = 0; i < a.length; i++)
  {
   System.out.print(a[i] + ",");
  }
  System.out.println();
  for(int i = 2 ; i < a.length; i++)
  {
   a[i-2] = a[i]; 
  }
  for(int i = 0; i < a.length; i++)
  {
   System.out.print(a[i] + ",");
  }
  System.out.println(); 
 }
}   

---

27. Program

(Imp_Q) Write a program for left rotate by 2 elements in array ? 

class K
{
 public static void main(String args[])
 {
  int[] a = {2, 4, 4, 2, 4, 7, 4, 5};
  for(int i = 0; i < a.length; i++)
  {
   System.out.print(a[i] + ",");
  }
  int temp1 = a[0];
  int temp2 = a[1];
  System.out.println();
  for(int i = 2 ; i < a.length; i++)
  {
   a[i-2] = a[i]; 
  }
  a[a.length-2] = temp1; 
  a[a.length-1] = temp2; 
  for(int i = 0; i < a.length; i++)
  {
   System.out.print(a[i] + ",");
  }
  System.out.println();
  
 }
}   

---

28. Program

(Imp_Q) Write a program for right shift by 2 elements in array ?

class L
{
 public static void main(String args[])
 {
  int[] a = {2, 4, 4, 2, 4, 7, 4, 5};
  for(int i = 0; i < a.length; i++)
  {
   System.out.print(a[i] + ",");
  }
  System.out.println();
  for(int i = a.length-1; i > 1; i--)
  {
   a[i] = a[i-2]; 
  }
  for(int i = 0; i < a.length; i++)
  {
   System.out.print(a[i] + ",");
  }
  System.out.println();
 }
}    

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