Answers for "how to remove duplicate arrays in an sorted arrays in java using a defined method"

1

Remove duplicate element in an array in java

public class RemoveDuplicateElementDemo 
{
   public static int removeDuplicate(int[] arrNumbers, int num)
   {  
      if(num == 0 || num == 1)
      {  
         return num;  
      }  
      int[] arrTemporary = new int[num];  
      int b = 0;  
      for(int a = 0; a < num - 1; a++)
      {  
         if(arrNumbers[a] != arrNumbers[a + 1])
         {  
            arrTemporary[b++] = arrNumbers[a];  
         }  
      }  
      arrTemporary[b++] = arrNumbers[num - 1]; 
      for(int a = 0; a < b; a++)
      {  
         arrNumbers[a] = arrTemporary[a];  
      }  
      return b;  
   }
   public static void main(String[] args) 
   {
      int[] arrInput = {1, 2, 3, 3, 4, 5, 5, 6, 7, 8};  
      int len = arrInput.length;  
      len = removeDuplicate(arrInput, len);  
      // printing elements
      for(int a = 0; a < len; a++)
      {
         System.out.print(arrInput[a] + " ");
      }
   }
}
Posted by: Guest on October-30-2020
-1

array remove duplicate in java

List<Integer>numbers = Arrays.asList(1,2,2,2,3,5); // [1, 2, 3, 5]
System.out.println(numbers);

Set<Integer> hashSet = new LinkedHashSet(numbers);
ArrayList<Integer> removedDuplicates = new ArrayList(hashSet);
System.out.println(removedDuplicates); // [1, 2, 3, 5]
Posted by: Guest on June-04-2021

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