JavaSuck - Helping hands on production issues

Copy Content of One file to another file using Java. package com.pukhraj.blog; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; public class FileCopy { public static void main(String[] args) throws IOException {   File inFile = new File("FullPath/inputFileName.extension"); File outFile = new File("FullPath/outputFileName.extension");    FileReader in = new FileReader(inFile);    FileWriter out = new FileWriter(outFile);    int i;    while ((i = in.read()) != -1)      out.write(i);    in.close();    out.close();   } }

Read a file using Java package com.pukhraj.blog; import java.io.BufferedReader; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; public class ReadSimpleFile { public static void main(String[] args) { String inputFileName =  "FullPath/filename.extension"; try{ FileInputStream fstream = new FileInputStream(inputFileName); DataInputStream in = new DataInputStream(fstream); BufferedReader br = new BufferedReader(new InputStreamReader(in)); String strLine; //Read File Line By Line while ((strLine = br.readLine()) != null)   { } }catch(IOException e){ e.printStackTrace(); } } }