Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- package yourpackagename;
- import java.io.IOException;
- import java.nio.charset.Charset;
- import java.nio.file.Files;
- import java.nio.file.Paths;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.logging.Level;
- import java.util.logging.Logger;
- import java.util.stream.Collectors;
- /**
- *
- * @author Jeraldy Deus | deusjeraldy@gmail.com
- */
- public class utils {
- public static String open(String path, Charset encoding) {
- byte[] encoded = null;
- try {
- encoded = Files.readAllBytes(Paths.get(path));
- } catch (IOException ex) {
- Logger.getLogger(utils.class.getName()).log(Level.SEVERE, null, ex);
- }
- return new String(encoded, encoding);
- }
- public static char[] listUniqueChars(String data) {
- String s = data
- .chars()
- .distinct()
- .mapToObj(c -> String.valueOf((char) c))
- .collect(Collectors.joining());
- char[] chars = new char[s.length() + 1];
- for (int i = 0; i < s.length(); i++) {
- char c = s.charAt(i);
- chars[i] = c;
- }
- return chars;
- }
- public static Map<Character, Integer> charToIx(char[] chars) {
- Map<Character, Integer> dict = new HashMap<>();
- for (int i = 0; i < chars.length; i++) {
- dict.put(chars[i], i);
- }
- return dict;
- }
- public static Map<Integer, Character> ixToChar(char[] chars) {
- Map<Integer, Character> dict = new HashMap<>();
- for (int i = 0; i < chars.length; i++) {
- dict.put(i, chars[i]);
- }
- return dict;
- }
- }
Add Comment
Please, Sign In to add comment