From 3ab60dc3070a173a0827c2d8cf174bf9e3e4491f Mon Sep 17 00:00:00 2001
From: ACHRAF TAITAI <43656331+achraftt@users.noreply.github.com>
Date: Fri, 5 May 2023 22:25:50 +0200
Subject: [PATCH] BAEL-6332: Calling Non-Static Method In Static Method In Java
 (#13940)

---
 .../java/com/baeldung/staticmodifier/Car.java |  4 ++++
 .../CallNonStaticMethodUnitTest.java          | 21 +++++++++++++++++++
 .../baeldung/staticmodifier/CarUnitTest.java  |  7 +++++++
 3 files changed, 32 insertions(+)
 create mode 100644 core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmethod/CallNonStaticMethodUnitTest.java

diff --git a/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java
index 950f008dcd..1158851fbd 100644
--- a/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java
+++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java
@@ -42,6 +42,10 @@ public class Car {
         this.engine = engine;
     }
 
+    public static String getCarsInformation(Car car) {
+        return car.getName() + "-" + car.getEngine();
+    }
+
     public static void setNumberOfCars(int numberOfCars) {
         Car.numberOfCars = numberOfCars;
     }
diff --git a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmethod/CallNonStaticMethodUnitTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmethod/CallNonStaticMethodUnitTest.java
new file mode 100644
index 0000000000..1171cb2e7a
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmethod/CallNonStaticMethodUnitTest.java
@@ -0,0 +1,21 @@
+package com.baeldung.staticmethod;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.AfterClass;
+import org.junit.Test;
+
+import com.baeldung.staticmodifier.Car;
+
+public class CallNonStaticMethodUnitTest {
+    @AfterClass
+    public static void setUpCarInstance() {
+        Car.setNumberOfCars(0);
+    }
+    @Test
+    public void whenCallingNonStaticMethodInStaticMethodWithInstanceClass_thenSuccess() {
+        Car car = new Car("Jaguar", "V8");
+        assertEquals("Jaguar-V8", Car.getCarsInformation(car));
+    }
+
+}
diff --git a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java
index f55955caa8..68bbe8f0a2 100644
--- a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java
+++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java
@@ -2,9 +2,16 @@ package com.baeldung.staticmodifier;
 
 import static org.junit.Assert.*;
 
+import org.junit.AfterClass;
 import org.junit.Test;
 
 public class CarUnitTest {
+
+    @AfterClass
+    public static void setUpCarInstance() {
+        Car.setNumberOfCars(0);
+    }
+
     @Test
     public void whenNumberOfCarObjectsInitialized_thenStaticCounterIncreases() {
         new Car("Jaguar", "V8");