package javaapplication1;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
public class JavaApplication1 {
public static void main(String[] args) throws IOException {
String s = "java c";
try (BufferedWriter writer = new BufferedWriter(new FileWriter("d:\\data.txt"))) {
writer.write(s.charAt(5));
}
}
}
/* file: data.txt
c
*/
/*
run:
*/