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Compile-time type safety prevents common errors
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Code written decades ago still runs on modern JVMs
# OpenJDK 17 (LTS)
sudo apt update
sudo apt install openjdk-17-jdk -y
java -version
# Set JAVA_HOME
echo 'export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64' >> ~/.bashrc
source ~/.bashrc// HelloWorld.java
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}javac HelloWorld.java
java HelloWorld@SpringBootApplication
@RestController
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@GetMapping("/")
public String hello() {
return "Hello, World!";
}
}<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>3.2.0</version>
</dependency>
</dependencies>mvn spring-boot:runЗапочнете след минути с нашия прост процес на разгръщане на VPS
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