How programmer-friendly Java frameworks are compared to other programming languages

The Java framework can collaborate with other languages ​​through JNI, JVM languages ​​and integration tools. JNI allows Java code to interact with C/C++ code, and JVM languages ​​such as Groovy and Kotlin are fully compatible with Java. Some frameworks also provide specialized integrations, such as Spring Boot GraalVM Native Image, allowing Java applications to be used in other languages ​​such as Node.js. Additionally, practical examples of cross-language development are demonstrated through use cases (using Spring Framework in Python).

How friendly the Java framework is to other programming languages

As a framework widely used in the Java ecosystem, the Java framework Often can be used in other programming languages ​​through various means. This provides programmers with the benefit of leveraging powerful and proven Java libraries in different language environments.

The following is a discussion of the friendliness of the Java framework in other programming languages:

Java Native Interface (JNI)

JNI is a tool that allows Java code Interface for interacting with native C/C++ code. It enables Java frameworks to be used in other languages ​​that have access to native code, such as Python, C#, and Go. Through JNI, programmers can directly access underlying platform functionality through the Java framework's Java libraries.

// 使用 JNI 在 Python 中调用 Java 方法
import jnius

# 加载 Java 类
jvm = jnius.autoclass("java.lang.Runtime")
# 调用 Java 方法
print(jvm.availableProcessors())

JVM Languages

JVM languages ​​like Groovy and Kotlin are fully compatible with Java, which means that Java frameworks can be used directly in these languages ​​without any modification or Convert.

// 在 Kotlin 中使用 Java 框架
import java.util.*

fun main(args: Array<String>) {
    // 创建 Java ArrayList
    val list = ArrayList<Int>()
    list.add(1)
    list.add(2)
    println(list)
}

Integration with other languages

Some Java frameworks also provide specialized tools for integration with other languages. For example, Spring Boot provides the GraalVM Native Image tool, which allows Java applications to be compiled into native binaries and can be called by other languages ​​such as Node.js.

// 在 Node.js 中使用 Spring Boot GraalVM Native Image
const execSync = require("child_process").execSync;
const output = execSync("./native-image-app");
console.log(output.toString());

Practical Case: Using Spring Framework in Python

To show the practical use of Java framework in other languages, here is a example created in Python using Spring Framework Example of a web application:

from java.lang import System
from jnius import autoclass

# 加载 Java 类
SpringApplication = autoclass("org.springframework.boot.SpringApplication")
SpringBootApplication = autoclass("org.springframework.boot.autoconfigure.SpringBootApplication")
RestController = autoclass("org.springframework.web.bind.annotation.RestController")
RequestMapping = autoclass("org.springframework.web.bind.annotation.RequestMapping")
GetMapping = autoclass("org.springframework.web.bind.annotation.GetMapping")

# 创建 Spring Boot 应用程序并扫描包
SpringApplication.run(SpringBootApplication.java.getClass().forArray(), System.getProperty("user.dir") + "/src/main/java");

# 定义 REST 控制器
@RestController
class Controller:
    # 定义 GET 端点
    @RequestMapping(value="/", methods=["GET"])
    @GetMapping
    def get_greeting():
        return "Hello from Python!"

After running this script, you can access a simple web application on localhost:8080 that returns information from a Spring Framework REST controller .

Conclusion

The Java framework can interact with other programming languages ​​to varying degrees through JNI, JVM languages, and specialized integrations. By showing real-life examples, it further demonstrates the flexibility of Java frameworks in cross-language development.

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