10. Input/Output in Java - ICSE 10 Computer Applications
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10. Input/Output in Java

10. Input/Output in Java

This chapter introduces the concepts of input and output in Java programming. It highlights the use of the Scanner class for taking input from users and the System.out class for displaying output. Several methods for reading different types of input, such as integers and strings, are also covered, along with an example demonstrating their application in a simple Java program.

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Sections

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  1. 10
    Input/output In Java

    This section covers the basics of input and output operations in Java,...

  2. 10.1
    Introduction To I/o In Java

    This section introduces the concepts of input and output in Java, using...

  3. 10.2
    Output In Java Using System.out

    This section explains how to use System.out to display output in Java,...

  4. 10.3
    Input In Java Using Scanner Class

    This section explains how to use the Scanner class in Java to read user input.

  5. 10.3.1
    Importing Scanner

    This section introduces the process of importing the Scanner class in Java,...

  6. 10.3.2
    Creating A Scanner Object

    This section covers how to create a Scanner object in Java for user input.

  7. 10.3.3
    Common Input Methods

    This section discusses the common methods provided by the Scanner class to...

  8. 10.4
    Example: Reading And Displaying Input

    This section demonstrates how to use Java to read user input and display...

  9. 10.5
    Closing The Scanner

    The importance of closing the Scanner object in Java to release system...

  10. 10.6
    Importance Of I/o

    The importance of input/output (I/O) in Java facilitates essential...

What we have learnt

  • Input refers to data provided to the program by the user.
  • Output refers to information displayed to the user by the program.
  • Java uses classes like Scanner for input and System.out for output.
  • Closing the Scanner is essential for releasing resources.

Key Concepts

-- Input in Java
The process by which data is received from the user, commonly done using the Scanner class.
-- Output in Java
The process of displaying data to the user using System.out class in Java programs.
-- Scanner Class
A built-in Java class used to capture different types of input from the user.
-- System.out
A built-in Java class used to print output to the console.

Additional Learning Materials

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