Read contents from console or command line (Scanner/ Java/ Example)
Scanner class is a text parser, which is used to parse primitives & strings using regular expression. Scanner split the […]
io
Java Scanner example – read & write contents to/ from file (example)
Scanner is text parser which used to parse primitives & strings using regular expression. Scanner split the input into token
Inter thread communication in java (Example/ PipedInputStream /PipedOutputStream)
Inter thread communication is very common phenomenon. There are many ways to achieve inter thread communication. In current post, we
Check read,write,execute permission & hidden attribute of file in java
Given a file in java, check read, write & execute permissions of a file. We would like to check whether
Create new file & folder (directory) in java (example)
Create new file & directory/folder using File class in java (with example). We will create new directory & file using mkdir & createNewFile respectively
List system drive & their total, free, used space in java (example)
List all system drives in java. We will find out the free (available) , used and total space of each
Unzip or decompress files in java using ZipInputStream & ZipEntry (example)
Given a zipped or compressed file in java. Write a program to unzip or decompress the contents of zip file
List or display contents of compressed or zipped file in java (example)
Given a zipped or compressed file in java. We would like to display or list the contents of zipped file.
Recursively list all files & folders of input directory in java (example)
Given an input directory or folder, we would like to list all files & folders in a directory. We will
File read write IO operation in java – StringWriter/StringReader (example)
File read write IO operation in java using StringWriter & StringReader. StringWriter write contents as String & StringReader read file as String (example).
Write file in java using PrintWriter (class hierarchy & example)
PrintWriter writes the formatted data to output stream. PrintWriter provides the methods to write int, boolean, char, String, double, float
Read & Write file in java using CharArrayReader & CharArrayWriter (example)
Given the contents, we would like to create or write to file using CharArrayWriter class in java. Read contents from file
Read & write UTF file – BufferReader & BufferWriter (NIO & example)
Given the UTF contents, read & write utf contents using BufferReader & BufferWriter. Use java nio feature to create BufferReader & BufferWriter.
Read /write UTF contents to/ from file in java (BufferReader /BufferWriter /example)
Given UTF contents, read & write utf contents using BufferReader & BufferWriter in java. Write UTF contents to the file
InputStreamReader & OutputStreamWriter – UTF file (example)
Given the UTF contents, read & write utf contents using InputStreamReader & OutputStreamWriter. We have already discussed similar posts: Read & write UTF file
BufferedReader & BufferedWriter (NIO) – Read & write file (java/example)
Read & write file using BufferedReader/BufferedWriter (NIO) with example. BufferWriter writes to character stream & BufferReader, reads character stream.
Read write file using BufferedReader & BufferedWriter in java (example)
BufferWriter, writes to character based stream and BufferReader, reads from character based stream, so as to provide efficient writing/reading of
Read/write file contents in java (example/InputStreamReader/OutputStreamWriter)
Read & Write file in java using InputStreamReader & OutputStreamWriter class. We will write contents to a file using OutputStreamWriter
Read & write file in java (FileInputStream/ FileOutputStream/ example)
Create or write file in java using FileOutputStream class. FileOutputStream writes the contents to file as stream of bytes. The
Create temporary file in a temp or input directory – java (example)
Create a temporary file in java. We can create temporary file by specifying prefix, suffix (or directory) We will demonstrate
Read a file line by line using java 8 lambda stream (example)
1. Read file using java 8 lambda stream Given a file, read input file by line by line using lambda