lect07a
Reading input

  java.util.Scanner in;
  in = new java.util.Scanner( System.in );

  System.out.print( "Enter a year: " );
  int y = in.nextInt();
  System.out.print( "Enter the name of the month: " );
  String m = in.next();

  System.out.println( "OMG, I was born in " + m + " of " + y + "!" );

  java.util.Scanner in;
  in = new java.util.Scanner( System.in );

  System.out.println( "Welcome to the 120th National Bank." );
  System.out.print( "How much money would you like to start your account with? " );
  int startBal = in.nextDouble();
  BankAccount b1 = new BankAccount(startBal);

  System.out.print( "Okay, how much do you want to withdraw now?" )
  int wAmt = in.nextDouble();
  b1.withdraw(wAmt);
  System.out.println( "Your new balance is " + b1.getBalance() );

 1  import java.util.Scanner;
 2  
 3  /**
 4   * Write a description of class PersonalTellerIO here.
 5   * 
 6   * @author (your name) 
 7   * @version (a version number or a date)
 8   */
 9  public class PersonalTeller
10  {
11      // The sole BankAccount that this PersonalTeller works with:
12      BankAccount b;
13      // A field which is an entire *object*, not just a primitive!
14      // We haven't seen this before, but it's the same concepts of fields
15      // and objects that we've always had, just layered on top of each other!
16      
17      /**
18       * Constructor for objects of class PersonalTellerIO
19       */
20      public PersonalTeller()
21      {
22          // Initialize our only field.
23          // When a brand new PersonalTeller is created,
24          // they'll manage one brand-new BankAccount with balance $0:
25          this.b = new BankAccount(0);
26      }
27  
28  
29      /** Have the PersonalTeller look up the balance, and print it to 
30       *  whoever is looking at the terminal screen.
31       */
32      public void interactiveBalanceCheck() { 
33          System.out.println( "The current balance is: " + b.getBalance());
34          }
35      
36      
37      /** Have this PersonalTeller prompt the user-at-keyboard for
38       * the amount of deposit, and then go actually make that deposit.
39       */
40      public void interactiveDeposit() {
41          System.out.print( "Please enter deposit amount: " );
42          Scanner s;
43          s = new Scanner( System.in );
44          double theNewDep = s.nextDouble();
45          b.deposit( theNewDep );
46          
47          // The personalTeller will ask *themselves* to do a task
48          // (the 'interactiveBalanceCheck' task) !
49          this.interactiveBalanceCheck();
50          // Recall that 'this' is a local variable which
51          // is implicitly declared and initialized for you;
52          // it refers to 'the PersonalTeller object
53          //    whose interactiveDeposit was called'.
54          }
55  
56      public void interactiveWithdraw() {
57          }
58  
59          
60          
61      void scannerDemo() {
62          Scanner in;
63          in = new Scanner( System.in );
64          
65          System.out.print( "Enter a year: " );
66          int y = in.nextInt();
67          System.out.print( "Enter the name of the month: " );
68          String m = in.next();
69          
70          System.out.println( "\nOMG, I was born in " + m + " of " + y + "!" );
71          }
72          
73  }