KGenericFactory.kt

inline fun <reified T> create():T{
    return T::class.java.getConstructor().newInstance()
}

fun main(args: Array<String>) {
    println(create<DummyClass>().dummyMethod())
}

class DummyClass{
    fun dummyMethod():String{
        return "Dummy class text"
    }
}

Java version:

import java.util.function.Supplier;

class DummyClass {
    String dummyMethod() {
        return "Dummy class text";
    }
}

public class NewInstance {
    static <T> T create(Supplier<T> supplier) {
        return supplier.get();
    }

    public static void main(String[] args) {
        System.out.println(create(DummyClass::new).dummyMethod());
    }
}