feb 2015 problem 1 / 3 / 4

uil/aplus-february-2015/4/Fate.java

@@ -0,0 +1,68 @@
+import static java.lang.System.out;
+import java.util.Scanner;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Collections;
+import java.io.File;
+import java.io.IOException;
+
+class Hand {
+    private ArrayList<String> hand;
+
+    Hand() {hand = new ArrayList<String>();}
+    Hand(String[] initial) {
+        this();
+        for(String card : initial)
+            hand.add(card);
+    }
+
+    public void print() {
+        Collections.sort(this.hand);
+        out.println(String.join(" ", this.hand));
+    }
+
+    public void add(String card) {
+        this.hand.add(card);
+        // Begin process to remove a card from hand if exceeding 5 card limit
+        if(this.hand.size() > 5) {
+            HashMap<String, Integer> map = new HashMap<String, Integer>();
+        
+            // Count each card into map
+            for(String next : this.hand)
+                if(map.get(next) != null)
+                    map.put(next, map.get(next) + 1);
+                else
+                    map.put(next, 1);
+            
+            // Search for what card to remove
+            int min = 0;
+            String mintype = "";
+            for(String type : map.keySet()) {
+                int cur = map.get(type);
+                // if found is less, or found is equal, but foundtype is of less value than curmintype
+                if(cur < min || (cur == min && !mintype.equals(type) && type.compareTo(mintype) < 0) || mintype.equals("")) {
+                    min = cur;
+                    mintype = type;
+                }
+            }
+
+            // Remove card from map
+            hand.remove(mintype);
+        }
+    }
+}
+
+class Main {
+    public static void main(String[] args) throws IOException {
+        Scanner s = new Scanner(new File("fate.dat"));
+        while(s.hasNextLine()) {
+            String input = s.nextLine();
+            Scanner r = new Scanner(input);
+            
+            Hand hand = new Hand();
+            while(r.hasNext())
+                hand.add(r.next());
+            hand.print();
+        }
+    }
+}