Bucket Sort

Bucket Sort

import java.util.Arrays;
public class BucketSort{
 
    public static void sort(int[] a, int maxVal) {
        int [] bucket=new int[maxVal+1];

        for (int i=0; i<bucket.length; i++) {
            bucket[i]=0;
        }

        for (int i=0; i<a.length; i++) {
            bucket[a[i]]++;
        }

        int outPos=0;
        for (int i=0; i<bucket.length; i++) {
            for (int j=0; j<bucket[i]; j++) {
            a[outPos++]=i;
            }
        }
    }
 
 
    public static void main(String[] args){
    int maxVal=5;
    int [] data= {5,3,2,4,1,5,3,4,3,2,2,1}; 
       
    System.out.println("Before: " + Arrays.toString(data));
    sort(data,maxVal);
    System.out.println("After:  " + Arrays.toString(data));
   }
}
/*
Output
Before: [5, 3, 2, 4, 1, 5, 3, 4, 3, 2, 2, 1]
After:  [1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5]
*/