Modifier isNative(mod) method in Java with Examples

// Java program to illustrate isNative() method

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

public class GFG {

    public static void main(String[] args)
        throws NoSuchFieldException
    {

        // get Method class object
        Method[] methods
            = Calculator.class.getMethods();

        // get Modifier Integer value
        int mod = methods[0].getModifiers();

        // check Modifier is native or not
        boolean result = Modifier.isNative(mod);

        System.out.println("Mod integer value "
                           + mod + " is native : "
                           + result);
    }

    class Calculator {
        native void addNumbers();
    }
}

// Java program to illustrate isNative()

import java.lang.reflect.*;

public class GFG {

    public static void main(String[] args)
    {

        // get Method class object
        Method[] methods
            = Numbers.class.getMethods();

        // get Modifier Integer value
        int mod1 = methods[0].getModifiers();
        int mod2 = methods[1].getModifiers();

        // check Modifiers are native or not
        boolean result1 = Modifier.isNative(mod1);
        boolean result2 = Modifier.isNative(mod2);

        // print results
        System.out.println("Mod integer value "
                           + mod1 + " for method "
                           + methods[0].getName()
                           + " is native : "
                           + result1);

        System.out.println("Mod integer value "
                           + mod2 + " for method"
                           + methods[1].getName()
                           + " is native : "
                           + result2);
    }

    // sample native class
    abstract class Numbers {

        abstract public int initializeNumber();
        int declareNumbers()
        {
            return 0;
        }
    }
}