Bucket Sorting in Java

I wrote this program ten years ago while I am learning Java programming I called this program Bucket Sorting in Java.

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Sample Program Output

 

Program Listing

buck.java

// buck.java
// Author  : Mr. Jake Rodriguez Pomperada,MAED - Instructional Techonology
// Tool    : Java
// Date    : March 18, 2009 Tuesday 1:45 PM
// Email   : jakerpomperada@yahoo.com
// Tel. No.: +63 034 4335081
// Program Description:
// Bucket Sort Program in Java Implementation


import java.io.*;

class buck    {

    static void printArray(int[] b)
        {
        for (int i = 1; i < b.length; i++) System.out.print(" " + b[i]);
        System.out.print("\n");
      }


// Bucket Sort Sorting Code

       public static void bucketSort(int entry[],int m){
                int[] buckets = new int[m];

                for(int j=0;j<m;j++)
            buckets[j]=0;
                for(int i=0;i<entry.length;i++)
                        ++buckets[entry[i]];
                for(int i=0,j=0;j<m;++j)
            for(int k=buckets[j];k>0;k--)
                                entry[i++]=j;
    }

  // End of Method

  public static void main (String args []) throws IOException    
       {
       String get_value;
        int n_value=0;
  
    String strEntry;
        int i=0;

        int entry[] = new int[6];
        BufferedReader dataIn= new BufferedReader(new InputStreamReader(System.in));
        System.out.println();
        System.out.print("\t============================================\n");
        System.out.print("\t========   Bucket Sort Version 1.0  ========\n");
        System.out.print("\t===== By: Mr. Jake Rodriguez Pomperada =====\n");
        System.out.print("\t============================================\n");
       

        System.out.println();

   
        for( i =1 ; i < entry.length; i++)
            {
            System.out.print("Enter number No. " + i +" : ");
            strEntry = dataIn.readLine();
            entry[i] = Integer.parseInt(strEntry);
        }
        System.out.println();
        System.out.println("== Original numbers ==>");
        printArray(entry);
     
          bucketSort(entry,50000);
        System.out.println("\n");
        System.out.println("== Sorted numbers ==>");
        printArray(entry);
        System.out.println("\n");
        System.out.print("\t====================================================\n");
        System.out.print("\t=== Created By: Jake Rodriguez Pomperada,MAED-IT ===\n");
        System.out.print("\t====================================================\n");
    }

} // End of Code