BAEL - 971 Code Changes (#2492)

* BAEL-971 Code

BAEL-  971 Introduction to Apache Commons Lang3 code

* BAEL - 971 Code

BAEL - 971 : Introduction to Apache Commons Lang3

* Updated the commons.lang version from V3.5 to V3.6

libraries/src/main/java/com/baeldung/commons/lang3/BuilderMethods.java

@@ -0,0 +1,60 @@
+package com.baeldung.commons.lang3;
+
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+
+public class BuilderMethods {
+
+    private final int intValue;
+    private final String strSample;
+
+    public BuilderMethods(final int newId, final String newName) {
+        this.intValue = newId;
+        this.strSample = newName;
+    }
+
+    public int getId() {
+        return this.intValue;
+    }
+
+    public String getName() {
+        return this.strSample;
+    }
+
+    @Override
+    public int hashCode() {
+        return new HashCodeBuilder().append(this.intValue)
+            .append(this.strSample)
+            .toHashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof BuilderMethods == false) {
+            return false;
+        }
+        if (this == obj) {
+            return true;
+        }
+        final BuilderMethods otherObject = (BuilderMethods) obj;
+
+        return new EqualsBuilder().append(this.intValue, otherObject.intValue)
+            .append(this.strSample, otherObject.strSample)
+            .isEquals();
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this).append("INTVALUE", this.intValue)
+            .append("STRINGVALUE", this.strSample)
+            .toString();
+    }
+
+    public static void main(final String[] arguments) {
+        final BuilderMethods simple1 = new BuilderMethods(1, "The First One");
+        System.out.println(simple1.getName());
+        System.out.println(simple1.hashCode());
+        System.out.println(simple1.toString());
+    }
+}