Java by API/java.io/BufferedWriter

BufferedWriter: close()

   <source lang="java">

/*

* Output:
*/

import java.io.BufferedWriter; import java.io.FileWriter; public class MainClass {

 public static void main(String args[]) {
   try {
     FileWriter fw = new FileWriter(args[0]);
     BufferedWriter bw = new BufferedWriter(fw);
     for(int i = 0; i < 12; i++) {
       bw.write("Line " + i + "\n");
     }
     bw.close();
   }
   catch(Exception e) {
     System.out.println("Exception: " + e);
   }
 }

}

 </source>
   
  
 
  

BufferedWriter: flush()

   <source lang="java">

import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class Main {

 public static void main(String[] args) throws Exception {
   BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
   String strLine = in.readLine();
   BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out));
   out.write(strLine, 0, strLine.length());
   out.flush();
   in.close();
   out.close();
 }

}

 </source>
   
  
 
  

BufferedWriter: write(String s, int off, int len)

   <source lang="java">

import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class Main {

 public static void main(String[] args) throws Exception {
   BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
   String strLine = in.readLine();
   BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out));
   out.write(strLine, 0, strLine.length());
   out.flush();
   in.close();
   out.close();
 }

}

 </source>
   
  
 
  

BufferedWriter: write(String str)

   <source lang="java">

/*

* Output:
*/

import java.io.BufferedWriter; import java.io.FileWriter; public class MainClass {

 public static void main(String args[]) {
   try {
     FileWriter fw = new FileWriter(args[0]);
     BufferedWriter bw = new BufferedWriter(fw);
     for(int i = 0; i < 12; i++) {
       bw.write("Line " + i + "\n");
     }
     bw.close();
   }
   catch(Exception e) {
     System.out.println("Exception: " + e);
   }
 }

}

 </source>
   
  
 
  

new BufferedWriter(Writer out)

   <source lang="java">

import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileReader; import java.io.FileWriter; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StringReader; public class Main {

 public static void main(String[] args) throws Exception {
   BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
   System.out.println(stdin.readLine());
   BufferedReader in = new BufferedReader(new FileReader("Main.java"));
   String s, s2 = new String();
   while ((s = in.readLine()) != null)
     s2 += s + "\n";
   in.close();
   StringReader in1 = new StringReader(s2);
   int c;
   while ((c = in1.read()) != -1)
     System.out.print((char) c);
   BufferedReader in2 = new BufferedReader(new StringReader(s2));
   PrintWriter out1 = new PrintWriter(new BufferedWriter(new FileWriter(
       "IODemo.out")));
   int lineCount = 1;
   while ((s = in2.readLine()) != null)
     out1.println(lineCount++ + ": " + s);
   out1.close();
 }

}

 </source>