FileWriter

// Demonstrate FileWriter. 
import java.io.*; 
class FileWriterDemo { 
public static void main(String args[]) throws Exception { 
String source = "Now is the time for all good men\\n" 
+ " to come to the aid of their country\\n" 
+ " and pay their due taxes."; 
char buffer[] = new char[source.length()]; 
source.getChars(0, source.length(), buffer, 0); 
FileWriter f0 = new FileWriter("file1.txt"); 
for (int i=0; i < buffer.length; i += 2) { 
f0.write(buffer[i]); 
} 
f0.close(); 
FileWriter f1 = new FileWriter("file2.txt"); 
f1.write(buffer); 
f1.close(); 
FileWriter f2 = new FileWriter("file3.txt"); 
f2.write(buffer,buffer.lengthbuffer. 
length/4,buffer.length/4); 
f2.close(); 
} 
}