From 239b27406997029745e08cd338de7956b9724a06 Mon Sep 17 00:00:00 2001
From: Raghav Taneja <97575679+RaghavTaneja@users.noreply.github.com>
Date: Wed, 11 May 2022 14:23:56 -0500
Subject: [PATCH] Add Euclidean Distance Formula (#3047)

---
 .../thealgorithms/maths/DistanceFormula.java  | 11 ++++++++
 .../maths/DistanceFormulaTest.java            | 28 +++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/maths/DistanceFormula.java
 create mode 100644 src/test/java/com/thealgorithms/maths/DistanceFormulaTest.java

diff --git a/src/main/java/com/thealgorithms/maths/DistanceFormula.java b/src/main/java/com/thealgorithms/maths/DistanceFormula.java
new file mode 100644
index 00000000..cc6ebc9e
--- /dev/null
+++ b/src/main/java/com/thealgorithms/maths/DistanceFormula.java
@@ -0,0 +1,11 @@
+package com.thealgorithms.maths;
+
+public class DistanceFormula {
+	public static double distance(double x1, double y1, double x2, double y2)
+	{
+		double dX = Math.pow(x2-x1, 2);
+		double dY = Math.pow(y2-x1, 2);
+		double d = Math.sqrt(dX+dY);
+		return d;
+	}
+}
diff --git a/src/test/java/com/thealgorithms/maths/DistanceFormulaTest.java b/src/test/java/com/thealgorithms/maths/DistanceFormulaTest.java
new file mode 100644
index 00000000..e54f1263
--- /dev/null
+++ b/src/test/java/com/thealgorithms/maths/DistanceFormulaTest.java
@@ -0,0 +1,28 @@
+package com.thealgorithms.maths;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class DistanceFormulaTest
+{
+  @Test
+  void test1()
+  {
+    Assertions.assertEquals(DistanceFormula.distance(1,1,2,2), 1.4142135623730951);
+  }
+  @Test
+  void test2()
+  {
+    Assertions.assertEquals(DistanceFormula.distance(1,3,8,0), 7.0710678118654755);
+  }
+  @Test
+  void test3()
+  {
+    Assertions.assertEquals(DistanceFormula.distance(2.4,9.1,55.1,100), 110.91911467371168);
+  }
+  @Test
+  void test4()
+  {
+    Assertions.assertEquals(DistanceFormula.distance(1000,13,20000,84), 19022.067605809836);
+  }
+}