How a CT system works. 1  A motorized table moves the patient (Figure 3) through a circular opening in the CT imaging system. 2  As the patient passes through the CT imaging system, a source of x rays rotates around the inside of the circular opening. A single rotation takes about 1 second.
Static blocks are mainly used for initialization of static variables of class which you can't do with the help of constructors. Here are some rules which governs functioning of static blocks:-. 1) They are called when a class is loaded into the JVM. 2) They are executed in the order which they appear in the class. 3) They are executed only once. 4) They are used as class level members only - which means you CANNOT put them inside any methods.
The purpose of JavaScript language, when used in web development, is to manipulate the web page elements and to make it dynamic. Imagine a web page that contains just text content. You can read it and you can even click on links to move to a next page, but your interaction with the page would be limited.