Input and output with human-readable text files : Input Output Stream « File Input Output « Java






Input and output with human-readable text files

Input and output with human-readable text files
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.StreamTokenizer;

public class InputOutputDemo {

  public static void main(String[] a) throws Exception {
    PrintWriter pwr = new PrintWriter(new FileWriter("java2s.txt"));
    pwr.print(4711);
    pwr.print(' ');
    pwr.print("Java Source and Support at www.java2s.com");
    pwr.close();

    StreamTokenizer stok = new StreamTokenizer(new FileReader("java2s.txt"));
    int tok = stok.nextToken();
    while (tok != StreamTokenizer.TT_EOF) {
      System.out.println(stok.sval);
      tok = stok.nextToken();
    }
  }
}
           
       








Related examples in the same category

1.Buffer EqualityBuffer Equality
2.Input and output of primitive values with binary filesInput and output of primitive values with binary files
3.Input and output of arrays and objects with binary filesInput and output of arrays and objects with binary files
4.Input and output of primitive values with random access binary filesInput and output of primitive values with random access binary files
5.Input and output using strings and string buffersInput and output using strings and string buffers
6.Timing Unbuffered Reads
7.Reading Bytes from a DataInputStreamReading 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.Converting text to and from ByteBuffersConverting text to and from ByteBuffers
12.Demonstrates standard I/O redirection
13.Creating a very large file using mappingCreating a very large file using mapping
14.Demonstrates the use of the File class to create directories and manipulate files
15.Mapping an entire file into memory for reading
16.Mapped IOMapped IO
17.What happens when the entire file isn't in your mapping region
18.Object serializationObject serialization
19.Locking portions of a mapped fileLocking portions of a mapped file
20.File read and writeFile read and write