fork download
copy 
  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5.  
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.   public static void main(String[] args)
  11.   {
  12.     String[] order = {"d", "c"};
  13.     String[] input = {"c","b","a","d", "e"};
  14.  
  15.     //List<String> inputList = new ArrayList<String>(input);
  16.  
  17.     List<String> l = new ArrayList<String>();
  18.     for (int i = 0; i < input.length; i++)
  19.       l.add(input[i]);
  20.  
  21.     Collections.sort(l, new CustomComparator(order));
  22.  
  23.     for (String s: l){
  24.     	    System.out.print(s);
  25.     }
  26.   }
  27.  
  28.  
  29.  
  30. public static class CustomComparator implements Comparator<String> {
  31.   Map<String, Integer> order; 
  32.  
  33.   public CustomComparator(String[] orderArray){
  34.     order = new HashMap<String, Integer>();
  35.  
  36.     for(int i = 0; i< orderArray.length; i++){
  37.      order.put(orderArray[i], i); 
  38.     }
  39.   }
  40.  
  41.  
  42.   public int compare(String a, String b){
  43.     if (order.containsKey(a) && order.containsKey(b)){
  44.       return order.get(a) - order.get(b);
  45.     }
  46.     if (order.containsKey(a)){
  47.       return -1;
  48.     }
  49.     if (order.containsKey(b)){
  50.       return 1;
  51.     }
  52.     return a.compareTo(b);
  53.   }
  54. }
  55. }
Success #stdin #stdout 0.05s 711168KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
dcabe
https://ideone.com/1WoFT4
language:
Java (12.0.1)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!