Blog

What makes the declared variable in the statement below a constant?  final int N = 3; 

Given the code below, what will be the value returned from the method invocation shown? public static int mystery(int a, int b) {   if (a == 3 || b == 3) {        return 1;    } else {       return b + mystery(a / 3, b * 2);    }} int value = mystery(81, 2);

Can you see the image of Buzz between the lines? If not, let us know ASAP!    

The Java bytecode file extension is .class.

  ^~^  , (‘Y’) ) /   \/  Sorting &  __QQ (\|||/)  Searching (_)_”>                  /       

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!”);        }    });  

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

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); 

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

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