Compile Java File: ClassgetConstructorExample2

//import statements?
import java.lang.reflect.Constructor;
import java.math.BigInteger;  //import

public class ClassgetConstructorExample2 {

public static void main(String... args) throws NoSuchMethodException {
        Class1 def = new Class1();
         Class1 prm = new Class1(23);
        Class<Class1> cls = Class1.class;
        Constructor<Class1> constr = cls.getConstructor();  //get the default constructor
        System.out.println(constr);  //print the constructor

constr = cls.getConstructor(int.class); //get  the constructor with parameter of type int
        System.out.println(constr);  //print the constructor

constr = cls.getConstructor(String.class, BigInteger[].class);  //get the constructor with 2 parameter
        System.out.println(constr);  //print the constructor
    }

private static class Class1 {
        public Class1() {
            System.out.println("the Default Constructor... "); //default  constructor
        }

public Class1(int x) {
            System.out.println("this is Parameterized Constructor....(one parameter) ");
        }

public Class1(String s, BigInteger[] integers) {   //take 2 parameter
            System.out.println("the Parameterized Constructor....(multiple parameter) ");
        }
    }
}

Output

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