If you have strong SQL programming skills and would like to be able to use them with a powerful NoSQL database, Phoenix could be exactly what you’re looking for! This tutorial introduces Java ...

Java programs can generally recover from checked exceptions, with exception handlers written into each program to define what it should do according to specified conditions. Examples of checked ...

Writing succinct and elegant JDBC code can be difficult. You have to create a few different objects and catch numerous checked exceptions, even if you can't reasonably recover from them. Closing a ...

Null pointer exception is an “exception ... they still need an address and a pointer. An example is String. This is not a primitive type in Java, but rather a reference type: in this case ...