Prueba Selección - Java

prueba.java

import java.util.ArrayList;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) {
	}
	


	public static String getMessage(String text) {
		String result = "";
		StringTokenizer st = new StringTokenizer(text);
	    while (st.hasMoreTokens()) {
	       result = result.concat(String.valueOf(st.nextToken().charAt(0)));  
	    }
	    return result;
	}
	
	public static String encrypt(String text) {
		String result = "";
		for(int i=0; i<text.length(); i++) {
			boolean duplicated = false;
			for (int j = 0; j<text.length(); j++) {
				if (text.charAt(i) ==  text.charAt(j) && i != j) {
					duplicated = true;
				}
			}
			
			if (!duplicated) {
				result = result.concat(String.valueOf(text.charAt(i)));
			}
			
		}
		return result;
		
	}
	
	public static int getLeast(String line, int givenNumber) {
		StringTokenizer st = new StringTokenizer(line);
		int[] numbers = new int[st.countTokens()];

	
		for (int i=0;st.hasMoreTokens(); i++) {
			numbers[i] = Integer.parseInt(st.nextToken());  
		}
		
	
		Arrays.sort(numbers);
		for(int i = 0; i < numbers.length; i++) {
			if (numbers[i] > givenNumber) {
				return numbers[i];
			}
			
		}
		
		return -1;
	}
	
	public static int fractile(int[] x, int p) {
		Arrays.sort(x);
		int position =  p * x.length/100;
		return x[position - 1];
	}

}