Home » Java programming language

Java Process getInputStream() method with example

Process Class getInputStream() method: Here, we are going to learn about the getInputStream() method of Process Class with its syntax and example.
Submitted by Preeti Jain, on December 10, 2019

Process Class getInputStream() method

  • getInputStream() method is available in java.lang package.
  • getInputStream() method is used to get the input stream of the process and sub-process.
  • getInputStream() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
  • getInputStream() method does not throw an exception at the time of returning input stream.

Syntax:

    public abstract InputStream getInputStream();

Parameter(s):

  • It does not accept any parameter.

Return value:

The return type of this method is InputStream, it returns input stream associated to the standard output of the process and subprocess.

Example:

// Java program to demonstrate the example 
// of InputStream getInputStream() method 
// of Process 

import java.io.*;
import java.util.*;

public class GetInputStream {
    public static void main(String[] args) throws Exception {
        // Instantiating Process object
        System.out.println("Process Instantiated");
        Process pr = Runtime.getRuntime().exec("notepad.exe");

        // By using getInputStream() method is to get the 
        // input stream of pr object
        InputStream is = pr.getInputStream();

        // Read from InputStream
        for (int k = 0; k < is.available(); ++k)
            System.out.println("Input stream = " + is.read());

        // Destroy a process
        pr.destroy();

        System.out.println("Process Destroyed");
    }
}

Output

Process Instantiated
Process Destroyed






Comments and Discussions

Ad: Are you a blogger? Join our Blogging forum.




Languages: » C » C++ » C++ STL » Java » Data Structure » C#.Net » Android » Kotlin » SQL
Web Technologies: » PHP » Python » JavaScript » CSS » Ajax » Node.js » Web programming/HTML
Solved programs: » C » C++ » DS » Java » C#
Aptitude que. & ans.: » C » C++ » Java » DBMS
Interview que. & ans.: » C » Embedded C » Java » SEO » HR
CS Subjects: » CS Basics » O.S. » Networks » DBMS » Embedded Systems » Cloud Computing
» Machine learning » CS Organizations » Linux » DOS
More: » Articles » Puzzles » News/Updates


© https://www.includehelp.com some rights reserved.