Easy learning with example program codes

How to read input from command line in Java using Scanner

Scanner class is used to read input from command line. Scanner class is in java.util package. Scanner class has methods like nextInt(), nextFloat(), nextDouble() etc which read numeric data without any need of parsing using Integer.parseInt()  etc. These methods will throw an exception if you pass string or char type value.


 * This program is used to read input using Scanner Class.
 * @author CodesJava
public class ReadInputUsingScanner {
       public static void main(String args[]){
       //create a scanner class object.
       Scanner scanner = new Scanner(new 
       System.out.println("Enter your full name: ");  
      //read a line using scanner object.
      String userName = scanner.nextLine();
      System.out.println("Enter your full age: ");  
      //read an integer using scanner object.
      int age = scanner.nextInt(); 
       //print input values
       System.out.println("User name : " + userName);
       System.out.println("User age : " + age);


Enter your full name:
Enter your full age:
User name : jai
User age : 27

Download this example.
Next Topic: Abstract class in java with example.
Previous Topic: How to execute command line argument program in eclipse.

Related Topics:

Command line arguments in java with example.
How to execute command line argument program in eclipse.
How to read input from command line in Java using Scanner.
Abstract class in java with example.
Interface in java with example.
Custom marker Interface in java with example.
Constructor in java with example.


Core Java Tutorial

Programming language overview.
Overview of Java.
Java features
JVM architecture details.
Java Coding Guidelines.
Some important definitions.
Variable and data types.
Hello world java program.
Core java examples programs.
Important Java Programs.
How to set permanent path in java?
OOPs Basics.
Object and Class in Java.
OOPs Principles/Concepts.
Abstraction in java.
Encapsulation in java.
Polymorphism in java.
Method overloading in java.
Method overriding in java.
Dynamic method dispatch.
Runtime polymorphism.
Association in java.
Inheritance in java.
Aggregation in java.
Command line arguments in java.
Command line argument program in eclipse.
Read input from command line using Scanner.
Java array programs
Java star pattern programs
Java number pattern programs
final in java.
Abstract class in java.
Interface in java.
Custom marker Interface in java.
Constructor in java.
Package in java.
Access modifier in java.
Static import in java.
Package class in java.
this in java.
Instance initialize block.
Anonymous block.
super in java.
Static in java.
final in java.
Java cloning deep and shallow
Shallow vs Clone copy
String handling in java.
String handling programs.
StringBuffer in java.
StringBuilder in java.
Exception Handling Tutorial.
Multithreading Tutoial.
Java input output stream tutorial.
Collections framework in java tutorial.
Collections framework programs.
Java Random class
Java annotations.
Java design principles.
Java 7 features
Java 8 features
Java networking tutorial
Java Reflection tutorial

Industrial Training

We offers Placement Oriented Training on Java, Spring, JSF, Hibernate, PHP, AngularJS, Angular 4, PLSQL, Oracle BI Publisher etc. We also provides Online training, please mail us at


We also provides the Development services for Website Development , Java Development, PHP Development, Android App Development etc. You can contact us on

Copyright © 2019 CodesJava Protection Status SiteMap Reference: Java Wiki