[BAEL-7802] - Static code analysis using Infer (#16645)

Author: ovidiumihaitacu

static-analysis/infer/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>infer</artifactId>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>static-analysis</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+</project>

static-analysis/infer/src/main/java/com/baeldung/infer/DivideByZero.java

@@ -0,0 +1,14 @@
+package com.baeldung.infer;
+
+public class DivideByZero {
+
+    public static void main(String[] args) {
+        DivideByZero.divideByZero();
+    }
+
+    private static void divideByZero() {
+        int dividend = 5;
+        int divisor = 0;
+        int result = dividend / divisor;
+    }
+}

static-analysis/infer/src/main/java/com/baeldung/infer/NullPointerDereference.java

@@ -0,0 +1,13 @@
+package com.baeldung.infer;
+
+public class NullPointerDereference {
+
+    public static void main(String[] args) {
+        NullPointerDereference.nullPointerDereference();
+    }
+
+    private static void nullPointerDereference() {
+        String str = null;
+        int length = str.length();
+    }
+}

static-analysis/infer/src/main/java/com/baeldung/infer/ResourceLeak.java

@@ -0,0 +1,23 @@
+package com.baeldung.infer;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+public class ResourceLeak {
+    
+    public static void main(String[] args) throws IOException {
+        ResourceLeak.resourceLeak();
+    }
+
+    private static void resourceLeak() throws IOException {
+        FileOutputStream stream;
+        try {
+            File file = new File("randomName.txt");
+            stream = new FileOutputStream(file);
+        } catch (IOException e) {
+            return;
+        }
+        stream.write(0);
+    }
+}

static-analysis/pom.xml

@@ -34,6 +34,7 @@
         <module>pmd</module>
         <module>my-bugchecker-plugin</module>
         <module>error-prone-project</module>
+        <module>infer</module>
     </modules>
 
     <properties>