Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.regex.Pattern;

public class Main {

    private static final Pattern UCODE_PATTERN = Pattern.compile("\\\\u[0-9a-fA-F]{4}");

    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new FileReader("ravi.txt"));
        while (true) {
            String line = br.readLine();
            if (line == null)
                break;
            if (!UCODE_PATTERN.matcher(line).matches()) {
                System.err.println("Bad input: " + line);
            } else {
                String hex = line.substring(2, 6);
                int number = Integer.parseInt(hex, 16);
                System.out.println(hex + " -> " + ((char) number));
            }
        }
    }
}