diff --git a/libraries-3/README.md b/libraries-3/README.md
index 0a76c7ff6e..f3c3375098 100644
--- a/libraries-3/README.md
+++ b/libraries-3/README.md
@@ -14,3 +14,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
- [Introduction to cache2k](https://www.baeldung.com/java-cache2k)
- [Introduction to the jcabi-aspects AOP Annotations Library](https://www.baeldung.com/java-jcabi-aspects)
- [Introduction to Takes](https://www.baeldung.com/java-takes)
+- [Using NullAway to Avoid NullPointerExceptions](https://www.baeldung.com/java-nullaway)
+
diff --git a/libraries-3/pom.xml b/libraries-3/pom.xml
index 68b5f2aa21..4b9cac8cff 100644
--- a/libraries-3/pom.xml
+++ b/libraries-3/pom.xml
@@ -94,6 +94,23 @@
velocity-engine-core
${velocity-engine-core.version}
+
+ com.uber.nullaway
+ nullaway
+ 0.3.0
+
+
+ org.codehaus.plexus
+ plexus-compiler-javac-errorprone
+ 2.8
+
+
+
+ com.google.errorprone
+ error_prone_core
+ 2.1.3
+
@@ -130,6 +147,45 @@
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ 3.5
+
+ javac-with-errorprone
+ true
+ 1.8
+ 1.8
+ true
+
+
+ com.uber.nullaway
+ nullaway
+ 0.3.0
+
+
+
+
+
+ -XepExcludedPaths:(.*)/test/.*|(.*)/jcabi/.*
+ -XepOpt:NullAway:AnnotatedPackages=com.baeldung.nullaway
+
+
+
+
+ org.codehaus.plexus
+ plexus-compiler-javac-errorprone
+ 2.8
+
+
+
+ com.google.errorprone
+ error_prone_core
+ 2.3.4
+
+
+
diff --git a/libraries/src/main/java/com/baeldung/nullaway/NullAwayExample.java b/libraries-3/src/main/java/com/baeldung/nullaway/NullAwayExample.java
similarity index 93%
rename from libraries/src/main/java/com/baeldung/nullaway/NullAwayExample.java
rename to libraries-3/src/main/java/com/baeldung/nullaway/NullAwayExample.java
index f3db1d2df9..1fab591cb0 100644
--- a/libraries/src/main/java/com/baeldung/nullaway/NullAwayExample.java
+++ b/libraries-3/src/main/java/com/baeldung/nullaway/NullAwayExample.java
@@ -1,7 +1,5 @@
package com.baeldung.nullaway;
-import com.baeldung.distinct.Person;
-
public class NullAwayExample {
/*
diff --git a/libraries-3/src/main/java/com/baeldung/nullaway/Person.java b/libraries-3/src/main/java/com/baeldung/nullaway/Person.java
new file mode 100644
index 0000000000..fcd88036a1
--- /dev/null
+++ b/libraries-3/src/main/java/com/baeldung/nullaway/Person.java
@@ -0,0 +1,65 @@
+package com.baeldung.nullaway;
+
+public class Person {
+ int age;
+ String name;
+ String email;
+
+ public Person(int age, String name, String email) {
+ super();
+ this.age = age;
+ this.name = name;
+ this.email = email;
+ }
+
+ public int getAge() {
+ return age;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public String getEmail() {
+ return email;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append("Person [age=");
+ builder.append(age);
+ builder.append(", name=");
+ builder.append(name);
+ builder.append(", email=");
+ builder.append(email);
+ builder.append("]");
+ return builder.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((email == null) ? 0 : email.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ Person other = (Person) obj;
+ if (email == null) {
+ if (other.email != null)
+ return false;
+ } else if (!email.equals(other.email))
+ return false;
+ return true;
+ }
+
+}
diff --git a/libraries/README.md b/libraries/README.md
index f439033730..79ba8fe55d 100644
--- a/libraries/README.md
+++ b/libraries/README.md
@@ -45,5 +45,4 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
- [Implementing a FTP-Client in Java](https://www.baeldung.com/java-ftp-client)
- [Introduction to Functional Java](https://www.baeldung.com/java-functional-library)
- [A Guide to the Reflections Library](https://www.baeldung.com/reflections-library)
-- [Using NullAway to Avoid NullPointerExceptions](https://www.baeldung.com/java-nullaway)
- More articles [[next -->]](/libraries-2)
diff --git a/libraries/pom.xml b/libraries/pom.xml
index af300657b0..41bc2b9311 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -435,23 +435,6 @@
reflections
${reflections.version}
-
- com.uber.nullaway
- nullaway
- 0.3.0
-
-
- org.codehaus.plexus
- plexus-compiler-javac-errorprone
- 2.8
-
-
-
- com.google.errorprone
- error_prone_core
- 2.1.3
-
@@ -569,46 +552,6 @@
-
- org.apache.maven.plugins
- maven-compiler-plugin
- 3.5
-
- javac-with-errorprone
- true
- 1.8
- 1.8
- true
-
-
- com.uber.nullaway
- nullaway
- 0.3.0
-
-
-
-
-
- -XepExcludedPaths:(.*)/test/.*|(.*)/streamex/.*
- -XepOpt:NullAway:AnnotatedPackages=com.baeldung.nullaway
-
-
-
-
- org.codehaus.plexus
- plexus-compiler-javac-errorprone
- 2.8
-
-
-
- com.google.errorprone
- error_prone_core
- 2.1.3
-
-
-
-