From 781a1c265a44ef9e272dd63da4c17f0bda9c447a Mon Sep 17 00:00:00 2001
From: anujgaud <146576725+anujgaud@users.noreply.github.com>
Date: Sun, 22 Oct 2023 09:49:38 +0530
Subject: [PATCH] [BAEL-6623] Add code for Convert Object to String (#15000)

* Add Person class

* Add Unit tests for Person class

* Add Person class

* Add PersonWithHashCode class

* Address review comments

* Add PersonUnitTest class

* Add PersonWithHashCodeUnitTest class

* Add missing dependency

* Remove redundant code

* Remove redundant code

* Address review comments

* Address review comments
---
 .../core-java-string-conversions-3/pom.xml    | 10 ++++-
 .../com/baeldung/objecttostring/Person.java   | 34 +++++++++++++++++
 .../objecttostring/PersonUnitTest.java        | 38 +++++++++++++++++++
 3 files changed, 81 insertions(+), 1 deletion(-)
 create mode 100644 core-java-modules/core-java-string-conversions-3/src/main/java/com/baeldung/objecttostring/Person.java
 create mode 100644 core-java-modules/core-java-string-conversions-3/src/test/java/com/baeldung/objecttostring/PersonUnitTest.java

diff --git a/core-java-modules/core-java-string-conversions-3/pom.xml b/core-java-modules/core-java-string-conversions-3/pom.xml
index ddd5f7a497..b494a03fa7 100644
--- a/core-java-modules/core-java-string-conversions-3/pom.xml
+++ b/core-java-modules/core-java-string-conversions-3/pom.xml
@@ -23,4 +23,12 @@
         </resources>
     </build>
 
-</project>
\ No newline at end of file
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/core-java-modules/core-java-string-conversions-3/src/main/java/com/baeldung/objecttostring/Person.java b/core-java-modules/core-java-string-conversions-3/src/main/java/com/baeldung/objecttostring/Person.java
new file mode 100644
index 0000000000..61c0bd5711
--- /dev/null
+++ b/core-java-modules/core-java-string-conversions-3/src/main/java/com/baeldung/objecttostring/Person.java
@@ -0,0 +1,34 @@
+package com.baeldung.objecttostring;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+public class Person {
+    private String name;
+    private int age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    @Override
+    public String toString() {
+        return "Person{name='" + name + "', age=" + age + '}';
+    }
+
+    public String toCustomString() {
+        return new ToStringBuilder(this, ToStringStyle.JSON_STYLE)
+          .append("name", name)
+          .append("age", age)
+          .toString();
+    }
+}
diff --git a/core-java-modules/core-java-string-conversions-3/src/test/java/com/baeldung/objecttostring/PersonUnitTest.java b/core-java-modules/core-java-string-conversions-3/src/test/java/com/baeldung/objecttostring/PersonUnitTest.java
new file mode 100644
index 0000000000..7b61956dfc
--- /dev/null
+++ b/core-java-modules/core-java-string-conversions-3/src/test/java/com/baeldung/objecttostring/PersonUnitTest.java
@@ -0,0 +1,38 @@
+package com.baeldung.objecttostring;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+
+public class PersonUnitTest {
+    @Test
+    public void givenObject_whenToString_thenConvert() {
+        Person person = new Person("Sarah", 28);
+        String expected = "Person{name='Sarah', age=28}";
+        String actual = person.toString();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void givenObject_whenValueOf_thenConvert() {
+        Person person = new Person("Sarah", 28);
+        String expected = "Person{name='Sarah', age=28}";
+        String actual = String.valueOf(person);
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void givenObject_whenConcat_thenConvert() {
+        Person person = new Person("Sarah", 28);
+        String expected = "Person{name='Sarah', age=28}";
+        String actual = "" + person;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void givenObject_whenToStringBuilder_thenConvert() {
+        Person person = new Person("Sarah", 28);
+        String expected = "{\"name\":\"Sarah\",\"age\":28}";
+        String actual = person.toCustomString();
+        assertEquals(expected, actual);
+    }
+}