JAVA EE: Java Tutorial : Java default Constructor

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Employee.java

public class Employee
{

    String name;
    int age;

    /*
     * The compiler automatically provides a no-argument default constructor if
     * the class does not have any other constructor.
     * 
     * This default constructor will call the no-argument constructor of the
     * superclass. In this situation, the compiler will complain if the
     * superclass doesn't have a no-argument constructor so you must verify that
     * it does. If your class has no explicit superclass, then it has an
     * implicit superclass of Object, which does have a no-argument constructor.
     */

}

EmployeeDemoTest.java

public class EmployeeDemoTest
{

    public static void main(String[] args)
    {
        /*
         * Invokes the no-argument constructor to create a new Employee object
         * called employee.
         */
        Employee employee = new Employee();
        System.out.println("Name : " + employee.name);
        System.out.println("Age  : " + employee.age);

    }

}