Read file using OneByte in java

import java.io.*;

public class OneByteTest3 {
public static void main(String[] args) throws Exception{
FileInputStream fis1 = new FileInputStream(FileDescriptor.in);
FileInputStream fis2 = new FileInputStream(new File("c:\\FileTest\\aaa.txt"));

/*
System.out.println("Char = ");
char ch = (char)fis1.read();
System.in.read();

System.out.println("String = ");
byte[] by = new byte[1024];
fis1.read(by);

System.out.println("ch = "+ch);
System.out.println("String = "+new String(by).trim());
*/
while(true){
int x = fis2.read();
if(x==-1) break;  //end of file
System.out.print((char)x);
}



}

}