java program for bank transaction

//  java program for bank transaction

import java.util.Scanner;
 import java.util.Random;
 import java.lang.Exception;
 
 class MyException extends Exception
 {
      MyException(String message)
      {
           super(message);
      }
 }
 
 interface Account
 {
      void CreateAcc();
      void Deposit();
      void Withdraw();
 }
 
 class BankUtilities
 {
      int acctype,year=1,ssn=0,accnum;
      float intr;
      String name="";
      String loc="";
      Scanner in = new Scanner(System.in);
      Random rnd = new Random();
      double temp=0.0,bal=0.0;
      
 }
 
 class Bank extends BankUtilities implements Account
 {
      
      
       void getInfo()
       {
           try
           {     
                
                System.out.print("Enter Name: ");
                name=in.nextLine();
                
                
                System.out.print("Enter SSN: ");
                ssn=in.nextInt();
                
                in.nextLine();
                System.out.print("Enter Location: ");
                loc=in.nextLine();
                
                     System.out.println("Mention account type:\n1.Savings (7% intr )\t2.Current (5% intr) ");
                     acctype=in.nextInt();
                     switch(acctype)
                     {
                          case 1:
                               System.out.println("Enter the initial amount of deposit:");
                                temp=in.nextFloat();
                               if(temp<0)
                               {
                                    System.out.println("Invalid Amount\nTry again:\n");
                                    System.out.println("Enter the initial amount of deposit:");
                                    temp=in.nextFloat();
                               }
                               Deposit(temp);
                               System.out.println("Enter noof years:");
                               year=in.nextInt();
                               if(year<=0)
                               {
                                    System.out.println("Invalid year\n Try again.");
                                    System.out.println("Enter noof years:");
                                    year=in.nextInt();
                               }
                               
                          break;
                          
                          case 2:
                               System.out.println("Enter the initial amount of deposit:");
                                temp=in.nextFloat();
                                if(temp<0)
                               {
                                    System.out.println("Invalid Amount\nTry again:\n");
                                    System.out.println("Enter the initial amount of deposit:");
                                    temp=in.nextFloat();
                               }
                               Deposit(temp);
                          break;
                          
                          default: System.out.println("Invalid Option");
                     } //Switch
                
                
           }
           catch(Exception e)
           {
                System.out.println("Inbuilt Exception --> "+e);
                System.exit(0);
           }
      
      }//getInfo
      
      public void CreateAcc() 
      {
           try
           {
           getInfo();
           System.out.println("\nAccount Successfully Created!");
           accnum=rnd.nextInt(1000)+1;
           System.out.println("Hello "+name+" your account no is " +accnum+".\n");
           }
           catch(Exception e)
           {
                System.out.println("Fatal Error");
           }
      }
      
      void Deposit(double temp) // Initial Deposit
      {
           try
           {
                if(temp>500)
                {
                     bal+=temp;
                     System.out.println("SUCCESSFULLY CREDITED");
                }
                else
                {
                     throw new MyException("Minimum Deposit Violation");
                }
           }
           catch(MyException e)
           {
                System.out.println(e.getMessage());
                System.out.println("TRANSACTION FAILURE");
                System.exit(0);
           }
      
      }
      
      public void Deposit() // regular deposit
      {
      
           System.out.println("Enter the amount to be deposited :");
           temp=in.nextFloat();
           try
           {
                if(temp>0)
                {
                     bal+=temp;
                     System.out.println("SUCCESSFULLY CREDITED");
                }
                else
                {
                     throw new MyException("INVALID AMOUNT EXCEPTION");
                }
           }
           catch(MyException e)
           {
                System.out.println(e.getMessage());
                System.out.println("TRANSACTION FAILURE");
           }
      
      }
      
      public void Withdraw()// regular deposit
      {
      
           System.out.println("Enter the amount to be withdrawn :");
           temp=in.nextFloat();
           if(temp<=0)
           {
                System.out.println("Invalid Amount Error.");
                System.exit(0);
           }
           
           try
           {
      
                if(temp<bal)
                {
                     bal-=temp;
                     System.out.println("SUCCESSFULLY DEBITED");
                }
                else
                {
                     throw new MyException("INSUFFIECEINT FUND EXCEPTION");
                }
           }
           catch(MyException e)
           {
                System.out.println(e.getMessage());
                System.out.println("TRANSACTION FAILURE");
           }
      
      }
      void Interest()
      {
           try
           {
                if("".equals(name)&&(ssn==0))
                {
                     throw new MyException("ACCONT NOT FOUND EXCEPTION");
                }
                else
                {
                     if(acctype==1)
                     {
                          bal+=year*bal*0.07;
                          System.out.println("7% interest added");
                     }
                     else if(acctype==2)
                     {
                          bal+=year*bal*0.03;
                          System.out.println("3% interest added");
                     }
                }
           }
           catch(MyException e)
           {
                System.out.println(e.getMessage());
                System.out.println("TRANSACTION FAILURE");
           }
      }
      
      void CheckBal()
      {
           System.out.println("Balance:"+bal);
      }
      
 }
 
 
 class BankDemoExc 
 {
      public static void main(String arg[]) throws MyException
      {
           Scanner in = new Scanner(System.in);
           Bank b = new Bank();
           
           System.out.println("\n\n\t----Bank Simulator----");
           try
           {
                while(true)
                {
           System.out.println("1.Create Account\t2.Check Balance \n3.Deposit\t\t4.Withdraw\n5.Interest\t\t6.Exit.");
                int ch = in.nextInt();
                     switch(ch)
                     {
                          case 1:
                          b.CreateAcc();
                          break;
                          
                          case 2:
                          b.CheckBal();
                          break;
                          
                          case 3:
                          b.Deposit();
                          break;
                          
                          case 4:
                          b.Withdraw();
                          break;
                          
                          case 5:
                          b.Interest();
                          break;
                          
                          case 6:
                          System.exit(0);
                          break;
                          
                          default: System.out.println("Invalid Option");
                     }
                }
           }
           catch(Exception e)
           {
                System.out.println("SELF THROWN EXCEPTION IS--->"+e);
           }
      }
}

output: