programming-examples/java/LoadBalancer.java

import java.util.Scanner;
class LoadBalancer
{
    public static void main(String args[])
    {
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter the number of servers:");
        int servers=sc.nextInt();
        System.out.println();
        System.out.print("Enter the number of processes:");
        int Processes=sc.nextInt();
        while(true)
            {
                printLoad(servers,Processes);
                System.out.println("1.Add Servers 2.Remote Servers 3.Add Processes 4.Remove Processes 5.Exit :");
                switch(sc.nextInt())
                    {
                    case 1:
                        System.out.print("How many more servers?:");
                        servers+=sc.nextInt();
                        break;
                    case 2:
                        System.out.print("How many servers to remove?:");
                        servers-=sc.nextInt();
                        break;
                    case 3:
                        System.out.print("How many more Processes?:");
                        Processes+=sc.nextInt();
                        break;
                    case 4:
                        System.out.print("How many Processes to remove?:");
                        Processes-=sc.nextInt();
                        break;
                    case 5:
                        return;
                    }
            }
    }

    static void printLoad(int servers,int Processes)
    {
        int each=Processes/servers;
        int extra=Processes%servers;
        int total=0;
        for(int i=0; i<servers; i++)
            {
                if(extra-->0)total=each+1;
                else total=each;
                System.out.println("Server "+(char)('A'+i)+" has "+total+" Processes");
            }
    }

}