Things.

huffman_coding/src/huffman_coding/Main.java

@@ -2,6 +2,7 @@ package huffman_coding;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+
 import tester.Tester;
 
 class Examples {
@@ -41,13 +42,13 @@ class Huffman {
     ArrayList<Integer> freqs; // Frequencies of characters.
 
     Huffman(ArrayList<String> charset, ArrayList<Integer> freqs) {
-        if (charset.size() != freqs.size()) throw new IllegalArgumentException(
-            "Character set must match frequencies."
-        );
+        if (charset.size() != freqs.size())
+            throw new IllegalArgumentException(
+                    "Character set must match frequencies.");
 
-        if (charset.size() < 2) throw new IllegalArgumentException(
-            "Character set too small."
-        );
+        if (charset.size() < 2)
+            throw new IllegalArgumentException(
+                    "Character set too small.");
 
         this.charset = charset;
         this.freqs = freqs;