Read file content in java to string

We will explore the following ways in this tutorial. We can use BufferedReader readLine method to read a file line by line. All we have to do is append these to a StringBuilder object with newline character. Below is the code snippet to read the file to String using BufferedReader. There is another efficient way to read file to String using BufferedReader and char array.

We can use FileInputStream and byte array to read file to String. April 30, at PM. Newer Post Older Post Home. Subscribe to: Post Comments Atom. Subscribe for Discounts and Updates Follow. Search This Blog. Interview Questions core java interview question data structure and algorithm 80 Coding Interview Question 75 interview questions 70 design patterns 35 SQL Interview Questions 34 object oriented programming 34 thread interview questions 30 spring interview questions 28 collections interview questions 25 database interview questions 16 servlet interview questions 15 Programming interview question 6 hibernate interview questions 6.

How to design a vending machine in Java? How HashMap works in Java? To write to a file, we'll use two more inbuilt classes: the FileWriter class and the PrintWriter class. Alternatively, select a Java file or folder in the Project window, or click in a Java file in the Code Editor. The item you select determines the default package for the new class or type. Input and Output in Java There are no standard statements in Java for input and output.

A stream is a sequence of characters or bytes used for program input or output. These objects are used to input data from the user into the application, and output data to the user. The Stream is populated lazily The constructors of this class assume that the default character encoding and the default byte-buffer size are appropriate.

Constructors defined in this class are as follows:. A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace. The resulting tokens may then be converted into values of different types using the various next methods. File; import java. Skip to content. Change Language. Related Articles. Table of Contents. Improve Article.