Question: Java API Use this snapshot of the JButton Constructor Summary to answer questions #1 - #3. Constructor Summary Constructors Constructor JButton() JButton(String text) JButton(String
Java API Use this snapshot of the JButton Constructor Summary to answer questions #1 - #3. Constructor Summary Constructors Constructor JButton() JButton(String text) JButton(String text, Icon icon) JButton(Action a) JButton (Icon icon) Description Creates a button with no set text or icon. Creates a button with toxt. Creates a button with initial text and an icon. Croatos a button where properties are taken from the Action supplied. Creates a button with an icon. 1. In the Constructor Summary, place an X next to the constructor that is called in the following statement: JButton jButton = new JButton("Enter" ); 2. What type is the first constructor? 3. Which object oriented concept is being demonstrated with these constructors?
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Sure Here are the answers to your questions 1 The constructor that is called in the statement JButton jButton new JButtonEnter is the second constructor JButtonString text 2 The first constructor is JButton It is a parameterless constructor meaning it does not take any arguments 3 The objectoriented concept being demonstrated with these constructors is inheritance The JButton class inherits from the AbstractButton class which provides a default implementation for many of the methods that a button would need to have By providing multiple constructors the JButton class allows subclasses to customize the behavior of the button while still using the same underlying implementation Additionally the use of constructors demonstrates encapsulation as the state ... View full answer
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