solution.java

public class solution {
    public static void removeduplicates(int arr[]){
        if (arr.length <=1) {
            return ;
        }
        int newarr[] = new int[arr.length];
         int j = 0;
    for(int i = 0; i < arr.length-1; i++){
            
                if(arr[i] != arr[i+1]){
          
                    newarr[j++] = arr[i];
                     
                }        
       } 
       newarr[j++] = arr[arr.length-1];
       for (int i = 0; i < newarr.length; i++) {
         arr[i] = newarr[i];
       }

for(int n: newarr){
    System.out.print(n+" ");
 } 
         
    }

    public static void main(String[] args){
        int arr[] = {1,1,2,3,3,3,5,5,5};
  
        removeduplicates(arr);
        
     
 
    }
}