rt

util.java (1524B)

---

 package space.nocebo;
 
 import java.util.regex.PatternSyntaxException;
 import java.util.Random;
 
 public class util {
 	private static int prev = getRandomInt();
 	private static int t = 0;
 
 	public static boolean isNumeric(String s) {
 		try {
 			int d = Integer.parseInt(s);
 		} catch (NumberFormatException | NullPointerException ex) {
 			return false;
 		}
 		return true;
 	}
 
 	public static boolean isDouble(String s) {
 		try {
 			double d = Double.parseDouble(s);
 		} catch (NumberFormatException | NullPointerException ex) {
 			return false;
 		}
 		return true;
 	}
 
 	public static boolean isValidCred(String s) {
 		try {
 			String[] a = s.split(" ", 2);
 			if (a.length < 2)
 				return false;
 		} catch (PatternSyntaxException ex) {
 			return false;
 		}
 		return true;
 	}
 
 	public static int getRandomInt() {
 		int res = 0;
 		Random r = new Random();
 		res = r.nextInt((5-1) + 1) + 1;
 		return res;
 	}
 
 	public static String getAlphaNumString() {
 		String AlphaNumericString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 						+ "0123456789"
 						+ "abcdefghijklmnopqrstuvxyz";
 		StringBuilder sb = new StringBuilder(10);
 		for (int i = 0; i < 10; i++) {
 			int index = (int)(AlphaNumericString.length()* Math.random());
 			sb.append(AlphaNumericString.charAt(index));
 		}
 		return sb.toString();
 	}
 
 	public static int getRandomScore() {
 		int s;
 
 		if (t == 3) {
 			t = 0;
 			s = getRandomInt();
 			System.out.println("dbg: s: " + s);
 			prev = s;
 		} else {
 			if (prev >= 5)
 				prev = 1;
 			s = prev + 1;
 		}
 
 		t++;
 		return s;
 	}
 }