Initial commit

Author: monodot

.gitignore

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+target/
+*.iml
+.idea/

README.md

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+# maven-dependency-demo
+
+This is a demo that shows how you can find direct and transitive dependencies in your Maven projects with the `mvn` command.
+
+**Note:** This project requires Java 8 or higher.
+
+To build:
+
+```
+mvn clean compile
+```
+
+To list all dependencies:
+
+```
+mvn dependency:tree
+```
+
+To find a specific dependency:
+
+```
+mvn dependency:tree -Dincludes=org.apache.logging.log4j:log4j-api
+```

pom.xml

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+<?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>maven-dependency-tree-demo</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <jdk.version>8</jdk.version>
+        <maven.compiler.source>${jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${jdk.version}</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <!-- A dependency which has one transitive dependency -->
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.17.2</version>
+        </dependency>
+
+        <!-- A dependency which has several transitive dependencies -->
+        <dependency>
+            <groupId>io.vertx</groupId>
+            <artifactId>vertx-core</artifactId>
+            <version>4.2.7</version>
+        </dependency>
+
+    </dependencies>
+
+</project>

src/main/java/com/tutorialworks/MyApplication.java

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+package com.tutorialworks;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class MyApplication {
+
+    public static void main(String[] args) {
+        Logger logger = LogManager.getLogger();
+        logger.info("Henlo, world!");
+    }
+}

src/main/resources/log4j2.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Root level="INFO">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>