public class TidyingUp
1: import java.util.Scanner;
3: /**
4: * Failure to tidy up leads to an embarrassing error
5: *
6: * @author Mark Young (A00000000)
7: */
8: public class TidyingUp {
10: /**
11: * Run this program.
12: *
13: * @param args command lines arguments (ignored)
14: */
15: public static void main(String[] args) {
16: // introduce self
17: System.out.println("\n"
18: + "Age and Name Reader\n"
19: + "-------------------\n\n"
20: + "This program (supposedly!) reads your age and name.\n");
22: // create variables
23: Scanner kbd = new Scanner(System.in);
24: int age;
25: String name;
27: // get age
28: System.out.print("What is your age? ");
29: age = kbd.nextInt(); // user presses Enter key HERE
30: // but computer doesn't read it
31: System.out.println();
33: // get name (?!?!)
34: System.out.print("What is your name? ");
35: name = kbd.nextLine(); // computer reads Enter key HERE
36: // thus doesn't let user enter their name
37: System.out.println();
39: // print message
40: System.out.println("Hi, " + name + "!");
41: System.out.println("You are " + age + " years old.");
42: System.out.println();
44: // try again
45: System.out.println("Sorry! Let's try that again!");
46: System.out.println();
47: System.out.print("...press enter...");
48: kbd.nextLine();
49: System.out.println();
51: // get age
52: System.out.print("What is your age? ");
53: age = kbd.nextInt(); // user presses Enter key HERE
54: kbd.nextLine(); // and computer tidies it away
55: System.out.println();
57: // get name (?!?!)
58: System.out.print("What is your name? ");
59: name = kbd.nextLine(); // computer has no enter key waiting here
60: // and so need to pause to get the name
61: System.out.println();
63: // print message
64: System.out.println("Hi, " + name + "!");
65: System.out.println("You are " + age + " years old.");
66: System.out.println();
67: }
68: }