The constructor is called a no-arguments constructor if the argument list is empty. : Constructor « Object Oriented « SCJP

1. SCJP
2. Object Oriented
3. Constructor

public class MainClass {
  public static void main(String[] argv) {
    MyClass my = new MyClass();
    System.out.println();
  }
}

class MyClass {
  public MyClass() {
  }
}