From 33c121fa750afa2dca60f9ef5b69d1fbdbbb0162 Mon Sep 17 00:00:00 2001
From: WOBBLEFANG THE THIRD <cheeseburger@users.noreply.pawly.dev>
Date: Fri, 5 Dec 2025 22:05:55 +0100
Subject: [PATCH] feat: add Interval record to represent start and end points
 with overlap functionality

---
 src/main/java/de/th_luebeck/ws25/Interval.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/main/java/de/th_luebeck/ws25/Interval.java

diff --git a/src/main/java/de/th_luebeck/ws25/Interval.java b/src/main/java/de/th_luebeck/ws25/Interval.java
new file mode 100644
index 0000000..bfcb27f
--- /dev/null
+++ b/src/main/java/de/th_luebeck/ws25/Interval.java
@@ -0,0 +1,18 @@
+package de.th_luebeck.ws25;
+
+public record Interval(int start, int end) {
+
+    public int length() {
+        return end - start + 1;
+    }
+
+    public boolean overlaps(Interval other) {
+        return this.start <= other.end && other.start <= this.end;
+    }
+
+    public int overlapSize(Interval other) {
+        int a = Math.max(this.start, other.start);
+        int b = Math.min(this.end, other.end);
+        return Math.max(0, b - a + 1);
+    }
+}