Leaky Bucket Algorithm for Network Congestion Control - Implementation in JAVA

This program implements Leaky Bucket Algorithm for Network Congestion. The Leaky Bucket Algorithm is also a lab program in many of the universities.

// Leaky Bucket Implementation
import java.util.*;
public class leaky 
{
    public static void main(String[] args)
    {
        Scanner my = new Scanner(System.in);
        int no_groups,bucket_size;
        System.out.print("\n Enter the bucket size : \t");
        bucket_size = my.nextInt();
        System.out.print("\n Enter the no of groups : \t");
        no_groups = my.nextInt();
        int no_packets[] = new int[no_groups];
        int in_bw[] = new int[no_groups];
        int out_bw,reqd_bw=0,tot_packets=0;
        for(int i=0;i<no_groups;i++)
        {
            System.out.print("\n Enter the no of packets for group " + (i+1) + "\t");
            no_packets[i] = my.nextInt();
            System.out.print("\n Enter the input bandwidth for the group " + (i+1) + "\t");
            in_bw[i] = my.nextInt();
            if((tot_packets+no_packets[i])<=bucket_size)
            {
                tot_packets += no_packets[i];
            }    
            else
            {
                do
                {
                System.out.println(" Bucket Overflow ");
                System.out.println(" Enter value less than " + (bucket_size-tot_packets));
                no_packets[i] = my.nextInt();        
                }while((tot_packets+no_packets[i])>bucket_size);
                tot_packets += no_packets[i];
            }
            reqd_bw += (no_packets[i]*in_bw[i]);
        }
        System.out.println("\nThe total required bandwidth is " + reqd_bw);
        System.out.println("Enter the output bandwidth ");
        out_bw = my.nextInt();
        int temp=reqd_bw;
        int rem_pkts = tot_packets;
        while((out_bw<=temp)&&(rem_pkts>0))
        {
            System.out.println("Data Sent \n" + (--rem_pkts) + " packets remaining");
            System.out.println("Remaining Bandwidth " + (temp -= out_bw));
            if((out_bw>temp)&&(rem_pkts>0))
                System.out.println(rem_pkts + " packet(s) discarded due to insufficient bandwidth");
        }
    }
}