Timing Unbuffered Reads : Input Output Stream « File Input Output « Java

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Java » File Input Output » Input Output Stream Screenshots  Timing Unbuffered Reads import java.io.FileReader; import java.io.IOException; import java.io.Reader; import java.util.Date; public class Unbuffered {   public static void main(String args[]) {     Reader reader;     int ch;     System.out.println("Start! " + new Date());     try {       reader = new FileReader(args[0]);       while ((ch = reader.read()) != -1) {         // read entire file       }     } catch (IOException io) {       System.err.println(io);       System.exit(-1);     }     System.out.println("Stop! " + new Date());   } }                     Related examples in the same category 1.  Buffer Equality 2.  Input and output with human-readable text files 3.  Input and output of primitive values with binary files 4.  Input and output of arrays and objects with binary files 5.  Input and output of primitive values with random access binary files 6.  Input and output using strings and string buffers 7.  Reading Bytes from a DataInputStream 8.  Comparing Buffered and Unbuffered Writing Performance 9.  Read a file and print, using LineReader and System.out 10.  Demonstrate ProgressMeterInputStream 11.  Pipe Test 12.  Converting text to and from ByteBuffers 13.  Demonstrates standard I/O redirection 14.  Creating a very large file using mapping 15.  Demonstrates the use of the File class to create directories and manipulate files 16.  Mapping an entire file into memory for reading 17.  Mapped IO 18.  What happens when the entire file isn't in your mapping region 19.  Object serialization 20.  Locking portions of a mapped file 21.  File read and write