So I've been brushing up on my Java skills as of late and have found a few bits of functionality that I didn't know about previously. Static and Instance Initializers are two such techniques. My q...

I have started learning Kotlin. I would like to know the difference between init block and constructor. What is the difference between this and how we can use this to improve? class Person constru...

We can put code in a constructor or a method or an initialization block. What is the use of initialization block? Is it necessary that every java program must have it?

As far as I understood the "static initialization block" is used to set values of static field if it cannot be done in one line. But I do not understand why we need a special block for that. For ...

I'm getting confused about when the instance initialization block should run. According to Kathy Sierra's book: Instance init blocks run every time a class instance is created So, consider hav...

Possible Duplicate: Static Initialization Blocks Consider the following code: public class Test { { System.out.println("Empty block"); } static { System.out.println("Static bloc...