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Author Archives: Anonymous

Given only the JavaFX code below, which of the following mos…

Given only the JavaFX code below, which of the following most accurately describes the behavior of the button? (assume that the code is correctly included in a JavaFX GUI with correct imports but no additional methods called on the button object) Button button = new Button(“Danger!”);button.setOnAction(    new EventHandler() {        @Override        public void handle(ActionEvent e) {            System.out.println(“ALARM!”);        }    });  

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Given the code, is Car a checked or unchecked exception? Is…

Given the code, is Car a checked or unchecked exception? Is Wheels a checked or unchecked exception? Car : [Item1] Wheels : [Item2] class Car extends Exception{   public Car(String msg) {       super(msg);     }  }  class Wheels extends RuntimeException {   public Wheels(String msg) {       super(msg);     }  } 

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Given the following code, what is the value of b? String s1…

Given the following code, what is the value of b? String s1 = “clownshoes”;String s2 = s1;s2.toUpperCase();boolean b = s2.equals(s1);

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What is the resulting value of the following expression?   1…

What is the resulting value of the following expression?   15 / 10 * 10 + 8.0 

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What is printed when the following code is run?   String a =…

What is printed when the following code is run?   String a = “Stonks”; String b = new String(“Stonks”); String c = “Stonks”; System.out.println(a == b); System.out.println(c == b); 

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Which of the following responses is true?  01: final double…

Which of the following responses is true?  01: final double TAX = 7.5; 02: TAX = TAX + 1;  

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A Java source code file must be compiled before it is run on…

A Java source code file must be compiled before it is run on the JVM.

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  ^~^  ,              (‘Y’) )              /   \/  Scope  __…

  ^~^  ,              (‘Y’) )              /   \/  Scope  __QQ (\|||/)        (_)_”>              /      

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Write an equivalent lambda expression that implements the fu…

Write an equivalent lambda expression that implements the functional interface T1 that could be used to replace the anonymous inner class given below. An example inner anonymous class implementation is given below. The body of the implementation must match the implementation given. Note: you only need to write the lambda expression NOT the entire block of code below. public class Harmonic {     public static void main(String[] args) {         Harmonic myHarmonic = new Harmonic();         myHarmonic.doStuff(new T1() {             public char getChar(String s, int index) {                 return s.charAt(index);             }         });     }     public void doStuff(T1 t1) {         System.out.println(t1.getChar(“CS1331 Rocks”, 3));     } } interface T1 {     public char getChar(String s, int index); }  Make sure to select the ‘Preformatted’ style from the dropdown so your code is formatted clearly. DO NOT USE THE TAB KEY WHEN WRITING CODE AS YOU MAY ACCIDENTALLY SUBMIT YOUR EXAM. USE THE SPACE BAR INSTEAD.

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What is the resulting value of the following expression?   9…

What is the resulting value of the following expression?   9 / 2 * 10 + 12.0 

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