Write a program to read a text file in java

The buffer size may be specified, or the default size may be used. The default is large enough for most purposes. In general, each read request made of a Reader causes a corresponding read request to be made of the underlying character or byte stream.

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. Improve this answer. Thanks jnd but if I try by just giving outputStream. I believe I have to put all the text from original. You put what you want to write as the arguement.

For example outputStream. Its not that I want to write anything from myself inside quotes Thanks jnd for the reply. It is almost similar to what I wanted. I have achieved my desired my results through your code but can I ask you a question that e.

You can do either way. You would just make your read method return an array of strings and then pass that to your write method for it to write. Show 1 more comment. Maher Abuthraa Maher Abuthraa Sign up or log in Sign up using Google. Let the random content in the file be as inserted below in the pretag block. Now we will be discussing out various ways to achieve the same. Illustration: Lines inside the file Geeks-for-Geeks A computer science portal World's largest technical hub Note: Save above text file to your local computer with.

There are several ways to achieve the goal and with the advancement of the version in java, specific methods are there laid out which are discussed sequentially. Methods: Using File. Method 1: Using File. Syntax: Files. Note: File. IOException; import java. Files; import java. The readLine method present in BufferReader method is used to read the file one line at a time and return the content. Return value: This method returns the string that is read by this method and excludes any termination symbol available.

If the buffered stream has ended and there is no line to be read then this method returns NULL. BufferedReader; import java. Save Article. Like Article. String line;.

Attention reader! Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. Previous Trim Remove leading and trailing spaces a string in Java.

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