Borland JBuilder 6/jbuilder6.iso/Documents/JAVA Programming/examples/13/FileInputStreamS.java

Java Source | 2000-09-08 | 1.1 KB | 33 lines

import java.io.*;
import java.util.*;
class FileInputStreamS {
public static void main(String args[]) throws    Exception {
int size;
InputStream f1  = new FileInputStream("/wwwroot/default.htm");
size = f1.available();
System.out.println("Total Available Bytes:  " + size);
System.out.println("First  1/4 of the file:  read()");
for (int i=0;  i < size/4;  i++)  {
System.out.print((char) f1.read());
}
System.out.println("Total Still Available:  " + f1.available());
System.out.println("Reading the next  1/8:  read(b[])");
byte b[]  = new byte[size/8];
if  (f1.read(b)  != b.length)  {
System.err.println("Something bad happened");
}
String tmpstr = new String(b,  0,  0,  b.length);
System.out.println(tmpstr);
System.out.println("Still Available:  " + f1.available());
System.out.println("Skipping another 1/4:  skip()");
f1.skip(size/4);
System.out.println( "Still Available:  " + f1.available());
System.out.println("Reading 1/16 into the end of array");
if  (f1.read(b,  b.length-size/16, size/16) != size/16)  {
System.err.println("Something bad happened");
}
System.out.println("Still Available:  " + f1.available());
f1.close();
}
}