Add log4j

pom.xml

@@ -0,0 +1,42 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>DBPI_CommitmentScheme</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>3.8.1</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/log4j/log4j -->
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>1.2.17</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-engine -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>5.7.0</version>
+            <scope>test</scope>
+        </dependency>
+
+
+    </dependencies>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+
+</project>

src/main/java/Main/App.java

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+package Main;
+
+import org.apache.log4j.BasicConfigurator;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+public class App {
+    private static final Logger logger = LogManager.getLogger(App.class);
+
+    public static void main(String[] args){
+        BasicConfigurator.configure();
+    }
+}