Curriculum
Course: Learn Java Programming
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Curriculum

Learn Java Programming

Chapter 0: Computer Language Generations and Environment Setup

0/4

Chapter 1: Introduction to Java

0/6

Chapter 2: Java Data Types, Tokens and Variables

0/5

Chapter 3: Working with User Input in Java

0/6

Chapter 4: Java Operators and Expressions

0/9

Chapter 5: Understanding Control Statements in Java

0/8

Chapter 6: Working with Wrapper Classes Arrays in Java

0/6

Chapter 7: Understanding Classes and Methods in Java Part 1

0/9

Chapter 8: Understanding Constructors and Encapsulation in Java

0/8

Chapter 8: Understanding Methods and Objects in Java Part 2

0/5

Chapter 9: Working with Inheritance and Polymorphism in Java

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Chapter 10: Working with Package, Abstract Class and Interface in Java

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Chapter 11: String Handling in Java

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Chapter 12: Understanding Error and Exception Handling in Java

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Chapter 13: Working with I/O Stream Classes and File Handling in Java

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Chapter 14: Working with Multithreading in Java

0/11

Chapter 15: Working with Generics

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Chapter 16: Working with Collection Frameworks

0/8

Chapter 17: Working with AWT and Swings in Java

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Chapter 18: Event Handling in Java

0/4

Chapter 19: Working with JDBC in Java - Part 1

0/11

Chapter 20: Working with JDBC in Java - Part 2

0/2
Quiz

Working With Inputs in Java

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  • Questions count: 11
  • Passing grade: A
  • Time limit: 10 minutes
  • Number of allowed attempts: 2
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1.
Which method would you use to read a single word from the console input?
nextLine()
next()
read()
getString()
2.
Which of these is not a method of the Scanner class?
nextInt()
readLine()
nextDouble()
next()
3.
To use the BufferedReader class, which package needs to be imported?
java.util
java.io
java.lang
java.buffer
4.
What is the use of BufferedReader in Java?
To read single characters
To read a line of text
To parse primitive data types
To read binary data
5.
Which import statement is used for the Scanner class in Java?
import java.io.Scanner;
import java.util.Scanner;
import java.lang.Scanner;
import java.util.Input;
6.
What will happen if you try to use nextInt() to read an input when the next token is not an integer?
The Scanner class will automatically convert the input to an integer.
The program will throw a NoSuchElementException
The program will throw an InputMismatchException
The Scanner class will return 0 as the default value.
7.
What does the Scanner class use as its default delimiter?
Comma (,)
Space( ' ' )
Semicolon (;)
Period (.)
8.
When using a Scanner object, which method checks if the next input token can be interpreted as a valid double value without actually reading it?
hasDouble()
nextDouble()
hasNextDouble()
isDouble()
9.
Which one of these is a way to read input from the command line arguments?
Scanner
BufferedReader
System.in
args parameter in the main method
10.
To change the current delimiter pattern that a Scanner uses, which method should be invoked?
setDelimiter(String delimiter)
useDelimiter(String delimiter)
changeDelimiter(String delimiter)
delimiter(String delimiter)
11.
If you want to read an integer value from the console, which Scanner method would you use?
getInt()
readInt()
nextInt()
parseInteger()
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