Optimized Bubble sorting technique in java.

import java.util.Scanner;
public class code
{
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    System.out.println("enter size of array=");
    int n=sc.nextInt();
    int[] arr=new int[n];
    System.out.println("enter elements of array=");
    for(int i=0; i<n; i++){
        arr[i]=sc.nextInt();
    }
    for(int k=0; k<n-1; k++){
        boolean flag=true;
    for(int i=0; i<n-1-k; i++){
        if(arr[i]>arr[i+1])
        {
            int t=arr[i];
            arr[i]=arr[i+1];
            arr[i+1]=t;
            flag=false;
        }
    }
    if(flag==true)
     break;
    }
    System.out.println("sorted array is=");
    for (int i : arr) {
        System.out.print(i+" ");
    }
    System.out.println();
}
}


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