Linux 上 Java 开发的常见做法有哪些

java
public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}

bash
mvn archetype:generate -DgroupId=com.example -DartifactId=myapp -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

java
public class Singleton {
    private static Singleton instance;
    private Singleton() {}
    public static Singleton getInstance() {
        if (instance == null) {
            instance = new Singleton();
        }
        return instance;
    }
}

java
public class Benchmark {
    public static void main(String[] args) {
        long startTime = System.nanoTime();
        // Perform some operations to benchmark
        long endTime = System.nanoTime();
        long duration = (endTime - startTime) / 1000000; // in milliseconds
        System.out.println("Execution time: " + duration + "ms");
    }
}