#default constructor

If you use XML-based configuration metadata, you specify the type of object that is to be instantiated in the class attribute of the <bean/> element. This class attribute, which internally is a class property on a BeanDefinition instance, is usually mandatory. You use the Class property in one of two ways.

Typically, to specify the bean class to be constructed in the case where the constructor…

abstract class Abs {                 int a;      //Instance Member                 static int b;          //Static Data Member                 static     //Static Block                 {                                 System.out.println("Hello Abs Class");                 }                 public static void hello() //Static Method                 {                                …

For people who have been programming in C++, switching to C# in quite smooth because of syntactical similarities. But there are some things to be careful about when you make this switch. One of those things is ‘how the member variables of a class are initialized when there is no explicit default constructor”.

When there is no default constructor for a class then compiler provides it and…