From 581e60fa2cec455d9369a1f2da8a4e8ba6698454 Mon Sep 17 00:00:00 2001
From: 101zh <67253838+101zh@users.noreply.github.com>
Date: Mon, 6 Nov 2023 21:27:49 +0000
Subject: [PATCH] test(U4_FRQ.java): test if solution works

---
 src/main/java/Unit4/U4_FRQ.java | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/main/java/Unit4/U4_FRQ.java

diff --git a/src/main/java/Unit4/U4_FRQ.java b/src/main/java/Unit4/U4_FRQ.java
new file mode 100644
index 0000000..c8f3d12
--- /dev/null
+++ b/src/main/java/Unit4/U4_FRQ.java
@@ -0,0 +1,33 @@
+package Unit4;
+
+public class U4_FRQ {
+    public static void main(String[] args) {
+        longestStreak("CCCCCCAAAAATTT!!!!!!!");
+    }
+
+    public static void longestStreak(String str) {
+
+        int longestStreak = 1;
+        int curStreak = 1;
+        String longestLetter = str.substring(0, 1);
+
+        for (int i = 1; i < str.length(); i++) {
+            String curLetter = str.substring(i, i + 1);
+            String prevLetter = str.substring(i - 1, i);
+
+            if (curLetter.equals(prevLetter)) {
+                curStreak++;
+            } else {
+                curStreak = 1;
+            }
+
+            if (curStreak > longestStreak) {
+                longestStreak = curStreak;
+                longestLetter = prevLetter;
+            }
+
+        }
+
+        System.out.println(longestLetter + " " + longestStreak);
+    }
+}