Java

Java Terms

100

Whatever allows for a method to be called without instantiating the class in which it resides is....

 static 

200

what  is only accessible in the class in which it is declared 

 Private class

300

what can be accessed by classes in the same package as itself and by subclasses of its parent class in any package? 

 protected class 

400

 Who invented Java Programming?
a) Guido van Rossum
b) James Gosling
c) Dennis Ritchie
d) Bjarne Stroustrup

b) James Gosling

500

what is the error that occurs when an incorrect data type is entered or read? 

 InputMismatchException

JavaFundamentals

100

what is T or F : Square brackets should be used with an array?

True

200

Library and tool used for testing java code

What is JUnit?

300

2. Which statement is true about Java?
a) Java is a sequence-dependent programming language
b) Java is a code dependent programming language
c) Java is a platform-dependent programming language
d) Java is a platform-independent programming language

d) Java is a platform-independent programming language

400

what is T or F : Void Returns a result 

False. 

500

when something is being checked what is used ?

 “==“

Java math definition

100

data type that stores a 32 bit decimal number (for smaller decimal numbers).

 float

200

data type that stores a 64 bit decimal number 

 double 

300

data type that stores an 8 bit whole number 

 byte

400

data type that stores a 16 bit whole number 

 short

500

data type that stores a 32 bit whole number (for typical whole numbers).

 integer

Java quick maths

100

data type that stores a 64 bit whole number 

 long

200

______ cannot be directly converted into strings

  int, float, double, boolean, etc cannot be directly converted into strings in Java. 

300

Any calculations with an integer will return a _______

 whole number 

400

what is used to return a remainder 

% 

500

A recursive method version of the power operation that takes in two integer arguments (base, exponent) and returns base exponent using no libraries (Assuming exponent will be non-negative).

public static int power(int base, int exponent) {

  if (exponent == 0) {return 1;}

  return base * power(base, exponent-1);

}

JavaFX and More

100

An IDE used for java development.

What is Eclipse.

200

Whatever is JavaFX.

What is a java library for GUI and other functionality?

300

How do you launch a JavaFX application from start or main()?

what is "launch(args)"

400

How to make something happen repeatedly in JavaFX.

What is timeline?

500

Class guarantees a duplicate-free collection, but makes NO guarantees as to iteration orde

HashSet