Java read txt file and write TXT file simple example _java

Write Java programs often encountered to read such as txt or write TXT file, but because to define a lot of variables, often remember, every time to check, hereby tidy up, simple and easy to use, convenient understood!

Package edu.thu.keyword.test;
Import Java.io.File;
Import Java.io.InputStreamReader;
Import Java.io.BufferedReader;
Import Java.io.BufferedWriter;
Import Java.io.FileInputStream;

Import Java.io.FileWriter;
			public class Cin_txt {static void Main (String args[]) {try {//Prevent file creation or read failure, catch errors with catch and print, or read txt files throw/* * String pathname = "D:\\twitter\\13_9_6\\dataset\\en\\input.txt"; Absolute or relative paths, this is an absolute path, and the relative path file filename = new file (pathname) is shown when writing to files; To read input from the above path. TXT file InputStreamReader reader = new InputStreamReader (new FileInputStream (filename)); Create an input stream object reader BufferedReader br = new BufferedReader (reader);
			Create an object that turns the contents of the file into a language that the computer can read, String line = "";
			line = Br.readline (); while (lines!= null) {line = Br.readline ();//read one row of data}/* Write TXT file/file Writename = new File (". \\resul T\\en\\output.txt "); Relative path, and if not, create a new output. TXT file writename.createnewfile (); Create a new file bufferedwriter out = BufferedWriterWriter (Writename)); Out.write ("I'll write to the file \ r \ n"); \ r \ n is the line Out.flush (); Pressing the contents of the buffer into the file Out.close ();
		Finally remember to close the file} catch (Exception e) {e.printstacktrace (); }
	}
}

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