CP - M5: Java Conditionals & Scanner

Test your knowledge on Java conditionals, the Scanner class, object-oriented programming concepts, and more in this engaging quiz.

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Questions 19

Answers

1
What does in.nextLine() read?
Single word
Entire line
Integer
Double
2
Which package includes the Scanner class?
java.io
java.lang
java.util
java.net
3
What does cascaded if involve?
Multiple conditions
Infinite loop
Single condition
No conditions
4
What is the purpose of import java.util.Scanner?
Excludes Scanner class
Compiles code
Includes Scanner class
Runs code
5
What is the purpose of else?
Never executes
Executes if condition false
Executes if condition true
Always executes
6
What does \t represent?
Space character
Backspace character
Newline character
Tab character
7
What is the purpose of in.next()?
Reads integer
Reads entire line
Reads double
Reads single word
8
What is an object in OOP?
A variable
A package
A method
Instance of a class
9
What does new Scanner(System.in) do?
Creates Scanner object
Reads input
Writes output
Closes Scanner
10
True or false: Scanner is a class in java.util
False
True
11
What does && represent?
Not equal to
Equal to
Logical OR
Logical AND
12
What does || represent?
Logical OR
Logical AND
Equal to
Not equal to
13
What does in.hasNextDouble() check?
Next input is string
Next input is boolean
Next input is int
Next input is double
14
What does in.nextDouble() read?
Integer value
Double value
String value
Boolean value
15
What does in.close() do?
Closes Scanner
Writes output
Opens Scanner
Reads input
16
What does if (CONDITION) do?
Always executes code
Executes code if true
Executes code if false
Never executes code
17
What does in.hasNextInt() return?
A string
True or false
A double
An integer
18
What does the Scanner class do?
Reads input
Runs tests
Compiles code
Writes output
19
Which method reads an int value?
nextLine()
nextDouble()
next()
nextInt()

CP - M5: Java Conditionals & Scanner Flashcards | StudBud