java-in-60-minutes

Java 👸🏻, I hate 🤬 you.

✅ Setup environment 🌳 on MacOS 👩🏼‍💻 (5 minutes)

1. Download JDK: https://jdk.java.net/15/

2. Extract it & move to /Library/Java/JavaVirtualMachines/

tar -xvf openjdk-15.0.1_osx-x64_bin.tar
sudo mv jdk-15.0.1.jdk /Library/Java/JavaVirtualMachines

3. Open .bash_profile and add the following entries at the end of it.

JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk-15.0.1.jdk/Contents/Home"
PATH="${JAVA_HOME}/bin:${PATH}"
export PATH

4. Verify the JDK installation

java --version

5. Download Maven: https://maven.apache.org/download.cgi

6. Extract it & move to /opt

tar -xvf apache-maven-3.6.3-bin.tar
sudo mv apache-maven-3.6.3/ /opt

7. Open .bash_profile and add the following entries at the end of it.

export PATH=/opt/apache-maven-3.6.3/bin:$PATH

8. Verify the Maven installation

mvn --version

✅ Java Core 👻 (20 minutes)

public class AwesomeJava {
    public static void main(String[] args) {
        System.out.println("Hello 🖖 Java. I love ❤️ you.");
    }
}

Details

• Java Cheat Sheet
• Object-Oriented Java

✅ Spring Boot 💅 (30 minutes)

Details

✅ Docker 🐳 (5 minutes)

Details