Questions and Exercises in Java

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Questions and Exercises
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Questions
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Use the API documentation to answer these questions
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Show the code that creates a label displaying the following text, with the italics and boldface as shown in this screenshot:
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Table of Contents
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Java Tutorial, Third Edition: A Short Course on the Basics, The
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ByMary Campione,Kathy Walrath,Alison Huml
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Use the API documentation or online tutorial, if necessary, to answer the following questions: Publisher : Addison Wesley
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Pub Date ISBN Pages : December 28, 2000 : 0-201-70393-9
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a Assume that you have a Swing label that tends to have more horizontal space than it : 592 needs to display its text What code would you use to make the text within a label (JLabel) be centered instead of left-aligned
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b What method do you use to enable and disable such components as Swing buttons "This book stands above the rest because it has been available on the web and read by thousands of c How do you add a have received an rightmost amount of feedback about which sections Java programmers The authorscomponent to the enormous (east) cell in a container that uses are good and BorderLayout which sections are confusing; the confusing ones have been improved I doubt that any other Java book has undergone such trial by fire" -Metroplex Java User Group, 3: Is the following code wwwjavamugorg/reviews/ thread-safe If so, why If not, what can you do to make it threadsafe Whether you're taking a class or learning on the job, The Java(TM) Tutorial, Third Edition , is a handson guide that lets you quickly become proficient with the Java programming language Written by JLabel label; members of the Java Software team at Sun Microsystems, the book uses an interactive approach to Container createGUI() example help you learn the Java platform by{
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Since its first online release in 1995, the components toJava(TM) Tutorial label //create a JPanel; add material in The it, including has been updated continuously to reflect reader feedback and new releases of the Java platform This third edition has been thoroughly updated to cover v13 of the Java Platform, Standard Edition, as well as preceding return panel; versions as early as JDK 11 } You willpublic static void of such fundamentals as objects, classes, and data structures In find clear explanations main(String[] args) { addition, theJFrame f = new JFrame("A object-oriented programming, applet construction, and book provides introductions to Frame"); fsetContentPane(createGUI()); user interface design Other topics include exceptions, I/O, and threads To help beginners avoid many fpack(); common mistakes, an entire chapter is devoted to programming problems and their solutions fsetVisible(true); each section are new to this edition Also new for this edition are Convenient summaries at the end of String labelText = findTextFromSomewhere(); "Questions and Exercises" sections to help you practice what you learn
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labelsetText(labelText);
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After working through the lessons in this proven tutorial, you will be well prepared to use the Java } programming language in your school or workplace
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Exercises
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You'll need to work on these exercises in order, as they build upon each other Hint: Your answer to question 2 will be useful
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Write an application called SwingApp1 that has two buttons and one label, arranged as shown in the following screenshot:
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Hint: You can use the content pane's default BorderLayout to manage the buttons and label 2: CopySwingApp1java to SwingApp2java, and modify SwingApp2 so that the Stop button is initially disabled Implement and register one or two action listeners so that when the user clicks either button, the clicked button is disabled, the other button is enabled, and Table of Contents the label is updated appropriately Your application should look like this:
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Java Tutorial, Third Edition: A Short Course on the Basics, The
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ByMary Campione,Kathy Walrath,Alison Huml Publisher Pub Date ISBN : Addison Wesley : December 28, 2000 : 592
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CopySwingApp2java to SwingApp3java, and modify SwingApp3 so that its Start : 0-201-70393-9 button brings up a dialog that looks like this: