How to create Null Object Pattern in Java
How to create Null Object Pattern in Java. Simple example using object and null object class implementation.
Get and Set Field Value using Reflection in Java
How to get and set field value using reflection in Java. The tutorial covers all situations for a field: public, private and protected.
How to execute method using reflection in Java
How to execute method using reflection in Java. Example with all cases, with/without parameters and returning/no returning a value.
How to create object using reflection in Java
How to create an object using reflection in Java. Simple examples for both situations provided: with parameters or without parameters.
GET/POST request with HttpURLConnection in Java
How to send GET and POST requests using standard HttpURLConnection class from Java. Simple examples for both methods.
Autoboxing and Unboxing in Java
In Java, autoboxing is the automatic conversion between the primitive types and their corresponding object wrapper classes. Unboxing is the other way around.
