Program to create a text file using FileWriter and write text into it in Java

// Program to create a text file using FileWriter and write text into it.
import java.io.*;
class FileWriterDemo
{
public static void main( String args[ ] ) throws IOException
{
 // attach DataInputStream to keyboard.
 DataInputStream dis = new DataInputStream( System.in );
 
 // attach file to FileWriter
 FileWriter fw = new FileWriter( "file1.txt");
 
 // read characters from keyboard and write it to file.
 char ch;
 System.out.println(" Enter string ( $ to end ) : ");
 while( (ch = (char)dis.read()) != '$' )
 {
  fw.write( ch );
 }
 // close the file.
 fw.close();
}
}

Output:
Enter string ( $ to end ) : 
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