BAEL-3212 - Examples of POJO, Bean and BeanUtils reflection (#7782)

* BAEL-3212 - Examples of POJO, Bean and BeanUtils reflection

* Update pom.xml

core-java-modules/core-java-lang-2/pom.xml

@@ -15,10 +15,10 @@
 
     <dependencies>
         <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
+            <groupId>commons-beanutils</groupId>
+            <artifactId>commons-beanutils</artifactId>
+            <version>1.9.4</version>
+        </dependency>  
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-generator-annprocess</artifactId>
@@ -29,6 +29,11 @@
             <artifactId>jmh-generator-bytecode</artifactId>
             <version>${jmh-generator.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${jmh-core.version}</version>
+        </dependency>
     </dependencies>
 
     <build>

core-java-modules/core-java-lang-2/src/main/java/com/baeldung/pojo/EmployeeBean.java

@@ -0,0 +1,53 @@
+package com.baeldung.pojo;
+
+import java.io.Serializable;
+import java.time.LocalDate;
+
+public class EmployeeBean implements Serializable {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = -3760445487636086034L;
+
+    private String firstName;
+
+    private String lastName;
+
+    private LocalDate startDate;
+
+    public EmployeeBean() {
+
+    }
+
+    public EmployeeBean(String firstName, String lastName, LocalDate startDate) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.startDate = startDate;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public LocalDate getStartDate() {
+        return startDate;
+    }
+
+    public void setStartDate(LocalDate startDate) {
+        this.startDate = startDate;
+    }
+
+}

core-java-modules/core-java-lang-2/src/main/java/com/baeldung/pojo/EmployeePojo.java

@@ -0,0 +1,27 @@
+package com.baeldung.pojo;
+
+import java.time.LocalDate;
+
+public class EmployeePojo {
+
+    public String firstName;
+
+    public String lastName;
+
+    private LocalDate startDate;
+
+    public EmployeePojo(String firstName, String lastName, LocalDate startDate) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.startDate = startDate;
+    }
+
+    public String name() {
+        return this.firstName + " " + this.lastName;
+    }
+
+    public LocalDate getStart() {
+        return this.startDate;
+    }
+
+}

core-java-modules/core-java-lang-2/src/main/java/com/baeldung/pojo/ReflectionExample.java

@@ -0,0 +1,24 @@
+package com.baeldung.pojo;
+
+import java.beans.PropertyDescriptor;
+
+import org.apache.commons.beanutils.PropertyUtils;
+
+
+public class ReflectionExample {
+
+    public static void main(String[] args) {
+
+        System.out.println("Fields for EmployeePojo are:");
+        for (PropertyDescriptor pd : PropertyUtils.getPropertyDescriptors(EmployeePojo.class)) {
+            System.out.println(pd.getDisplayName());
+        }
+
+        System.out.println("Fields for EmployeeBean are:");
+        for (PropertyDescriptor pd : PropertyUtils.getPropertyDescriptors(EmployeeBean.class)) {
+            System.out.println(pd.getDisplayName());
+        }
+
+    }
+
+}