From e9ab9fc04f4ed69286f5074bd99148dd3a6dd01f Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Thu, 16 Apr 2026 17:56:37 +0000
Subject: [PATCH] [Sync Iteration] java/captains-log/1

---
 .../1/src/main/java/CaptainsLog.java          | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 solutions/java/captains-log/1/src/main/java/CaptainsLog.java

diff --git a/solutions/java/captains-log/1/src/main/java/CaptainsLog.java b/solutions/java/captains-log/1/src/main/java/CaptainsLog.java
new file mode 100644
index 00000000..04da2c99
--- /dev/null
+++ b/solutions/java/captains-log/1/src/main/java/CaptainsLog.java
@@ -0,0 +1,30 @@
+import java.util.Random;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+
+class CaptainsLog {
+
+    private static final char[] PLANET_CLASSES = new char[]{'D', 'H', 'J', 'K', 'L', 'M', 'N', 'R', 'T', 'Y'};
+
+    private Random random;
+
+    CaptainsLog(Random random) {
+        this.random = random;
+    }
+
+    char randomPlanetClass() {
+        List<Character> buchstaben = List.of('D', 'H', 'J', 'K', 'L', 'M', 'N', 'R', 'T', 'Y');
+        int index = random.nextInt(buchstaben.size());
+
+        return buchstaben.get(index);
+    }
+
+    String randomShipRegistryNumber() {
+        int zahl = random.nextInt(10000 - 1000) + 1000;
+        return "NCC-" + zahl;
+    }
+
+    double randomStardate() {
+        return 41000 +random.nextDouble() * (42000 - 41000);
+    }
+}