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strings/CheckAnagrams.java

@@ -8,45 +8,45 @@ import java.util.Map;
  * case).
  */
 public class CheckAnagrams {
-    public static void main(String[] args) {
-        assert isAnagrams("Silent", "Listen");
-        assert isAnagrams("This is a string", "Is this a string");
-        assert !isAnagrams("There", "Their");
+  public static void main(String[] args) {
+    assert isAnagrams("Silent", "Listen");
+    assert isAnagrams("This is a string", "Is this a string");
+    assert !isAnagrams("There", "Their");
+  }
+
+  /**
+   * Check if two strings are anagrams or not
+   *
+   * @param s1 the first string
+   * @param s2 the second string
+   * @return {@code true} if two string are anagrams, otherwise {@code false}
+   */
+  public static boolean isAnagrams(String s1, String s2) {
+    int l1 = s1.length();
+    int l2 = s2.length();
+    s1 = s1.toLowerCase();
+    s2 = s2.toLowerCase();
+    Map<Character, Integer> charAppearances = new HashMap<>();
+
+    for (int i = 0; i < l1; i++) {
+      char c = s1.charAt(i);
+      int numOfAppearances = charAppearances.getOrDefault(c, 0);
+      charAppearances.put(c, numOfAppearances + 1);
     }
 
-    /**
-     * Check if two strings are anagrams or not
-     *
-     * @param s1 the first string
-     * @param s2 the second string
-     * @return {@code true} if two string are anagrams, otherwise {@code false}
-     */
-    public static boolean isAnagrams(String s1, String s2) {
-        int l1 = s1.length();
-        int l2 = s2.length();
-        s1 = s1.toLowerCase();
-        s2 = s2.toLowerCase();
-        Map<Character, Integer> charAppearances = new HashMap<>();
-
-        for (int i = 0; i < l1; i++) {
-            char c = s1.charAt(i);
-            int numOfAppearances = charAppearances.getOrDefault(c, 0);
-            charAppearances.put(c, numOfAppearances + 1);
-        }
-
-        for (int i = 0; i < l2; i++) {
-            char c = s2.charAt(i);
-            if (!charAppearances.containsKey(c)) {
-                return false;
-            }
-            charAppearances.put(c, charAppearances.get(c) - 1);
-        }
-
-        for (int cnt : charAppearances.values()) {
-            if (cnt != 0) {
-                return false;
-            }
-        }
-        return true;
+    for (int i = 0; i < l2; i++) {
+      char c = s2.charAt(i);
+      if (!charAppearances.containsKey(c)) {
+        return false;
+      }
+      charAppearances.put(c, charAppearances.get(c) - 1);
     }
+
+    for (int cnt : charAppearances.values()) {
+      if (cnt != 0) {
+        return false;
+      }
+    }
+    return true;
+  }
 }