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Thread: my loops are not working like they should

  1. #1
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    Default my loops are not working like they should

    import javax.swing.*;

    import java.awt.Container;
    import java.math.*;

    public class arithmetic extends JApplet {

    public void init() {

    String input = JOptionPane.showInputDialog
    ("Select an option (1(multiply),2(divide),3(add),4(subtract))");
    int input2 = Integer.parseInt(input);
    int choice = input2;


    switch (choice) {

    case 1:
    for (int x = 1; x < 4; x++) {


    double number1 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number1,null,JO ptionPane.
    INFORMATION_MESSAGE);
    double number2 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number2,null,JO ptionPane.
    INFORMATION_MESSAGE);
    String numberx = JOptionPane.showInputDialog("Enter result");
    double number3 = Double.parseDouble(numberx);
    double result = number1 * number2;

    if (result == number3) {
    JOptionPane.showMessageDialog(null,"correct",null,
    JOptionPane.INFORMATION_MESSAGE);

    }
    else
    JOptionPane.showMessageDialog(null,"wrong",null,
    JOptionPane.INFORMATION_MESSAGE);


    }
    break;
    case 2:
    for (int x = 1; x < 4; x++) {
    double number4 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number4,null,JO ptionPane.
    INFORMATION_MESSAGE);
    double number5 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number5,null,JO ptionPane.
    INFORMATION_MESSAGE);
    String number7 = JOptionPane.showInputDialog("Enter result");
    double number6 = Double.parseDouble(number7);
    double result2 = Math.round(number4 / number5);


    if (result2 == number6) {
    JOptionPane.showMessageDialog(null,"correct",null,
    JOptionPane.INFORMATION_MESSAGE);
    }
    else
    JOptionPane.showMessageDialog(null,"wrong",null,
    JOptionPane.INFORMATION_MESSAGE);

    }
    break;
    case 3:
    for (int x = 1; x < 4; x++) {
    double number8 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number8,null,JO ptionPane.
    INFORMATION_MESSAGE);
    double number9 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number9,null,JO ptionPane.
    INFORMATION_MESSAGE);
    String number10 = JOptionPane.showInputDialog("Enter result");
    double number11 = Double.parseDouble(number10);
    double result3 = number8 + number9;


    if (result3 == number11) {
    JOptionPane.showMessageDialog(null,"correct",null,
    JOptionPane.INFORMATION_MESSAGE);
    }
    else
    JOptionPane.showMessageDialog(null,"wrong",null,
    JOptionPane.INFORMATION_MESSAGE);
    }
    break;
    case 4:
    for (int x = 1; x < 4; x++) {
    double number12 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number12,null,J OptionPane.
    INFORMATION_MESSAGE);
    double number13 = Math.floor(Math.random() * 13);
    JOptionPane.showMessageDialog(null,number13,null,J OptionPane.
    INFORMATION_MESSAGE);
    String number14 = JOptionPane.showInputDialog("Enter result");
    double number15 = Double.parseDouble(number14);
    double result4 = number12 - number13;


    if (result4 == number15) {
    JOptionPane.showMessageDialog(null,"correct",null,
    JOptionPane.INFORMATION_MESSAGE);
    }
    else
    JOptionPane.showMessageDialog(null,"wrong",null,
    JOptionPane.INFORMATION_MESSAGE);


    }
    }
    }
    }


  2. #2
    Crazy Cat Lady KevinWorkman's Avatar
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    Default Re: my loops are not working like they should

    Did you have a question, or did you just want to dump your code here?

    In other words, please use the highlight tags and ask a specific technical question, and we'll go from there.
    Useful links: How to Ask Questions the Smart Way | Use Code Tags | Java Tutorials
    Static Void Games - Play indie games, learn from game tutorials and source code, upload your own games!

  3. #3
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    Default Re: my loops are not working like they should

    My question is what is wrong with the loops, as they are exceeding 3.

  4. #4
    Crazy Cat Lady KevinWorkman's Avatar
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    Default Re: my loops are not working like they should

    Like I said, please use the highlight tags and show us exactly what line you're talking about, exactly what behavior you're seeing, and exactly why that behavior is incorrect.
    Useful links: How to Ask Questions the Smart Way | Use Code Tags | Java Tutorials
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  5. #5
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    Default Re: my loops are not working like they should

    Quote Originally Posted by KevinWorkman View Post
    Like I said, please use the highlight tags and show us exactly what line you're talking about, exactly what behavior you're seeing, and exactly why that behavior is incorrect.
    case 1:
    for (int x = 1; x < 4; x++) {

    case 2:
    for (int x = 1; x < 4; x++) {


    case 3:
    for (int x = 1; x < 4; x++) {

    case 4:
    for (int x = 1; x < 4; x++) {

  6. #6
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    Default Re: my loops are not working like they should

    That is a lot of closing brackets at the end. It is hard to tell with it unformatted, but I'd suspect you need to clean up and check your brackets.

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