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Java program to get the list of constructors of a class

// Java program to get the list of 
// constructors of a class

import java.lang.reflect.Constructor;

public class Main {
  public static void main(String[] args) throws ClassNotFoundException {
    Class cls = Class.forName("java.lang.Integer");
    Constructor ctors[] = cls.getConstructors();

    System.out.println("Constructors of Integer class: ");
    for (Constructor ctor: ctors)
      System.out.println(ctor);
  }
}

Output

Constructors of Integer class: 
public java.lang.Integer(java.lang.String) throws java.lang.NumberFormatException
public java.lang.Integer(int)