java-tutorials/jni/src/main/java/com/baeldung/jni/ExampleParametersJNI.java

package com.baeldung.jni;

public class ExampleParametersJNI {

    static {
        System.loadLibrary("native");
    }
    
    public static void main(String[] args) {  
        System.out.println("Java: My full name: " + new ExampleParametersJNI().sayHelloToMe("Martin", false));
        long sumFromNative = new ExampleParametersJNI().sumIntegers(456, 44);
        System.out.println("Java: The sum coming from native code is: " + sumFromNative);
    }
    
    // Declare another method sumIntegers that receives two integers and return a long with the sum
    public native long sumIntegers(int first, int second);
    
    // Declare another method sayHelloToMe that receives the name and gender and returns the proper salutation
    public native String sayHelloToMe(String name, boolean isFemale);
}