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Invoke a GoLang Function from Java

  • Go is a programming language known for its simplicity, concurrency support, and performance, used in backend systems, cloud-native applications, and microservices.
  • To invoke a GoLang function from Java, you need Java Development Kit (JDK), Go compiler, Java Native Interface (JNI), cgo, javac, and java.
  • The process involves writing a Go function, compiling it into a shared library, and using JNI to invoke it from Java.
  • The shared library can then be loaded by other programs. The output file contains the compiled Go code.
  • A Java program can be created to load the shared library and invoke the Go function.
  • Go structs can be mapped using JNI in Java via C-style structure. This approach requires serialization and deserialization between Go and Java.
  • The System.loadLibrary method loads the shared library. The native keyword is used to declare a method that is implemented in native code (in this case, Go).
  • The parsed data is then printed to the console, showcasing how complex data types can be passed between Go and Java.
  • Integrating Go and Java through shared libraries allows developers to use the strengths of both languages: Go’s performance and simplicity combined with Java’s versatility.

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