complete tutorials on core java in java

: A class can have a block of initializer code that is simply surrounded by curly braces and labeled as static e.g. Code: public class Demo{ static int =10; static{ System.out.println(�Hello world�); } } And this code is executed exactly once at the time of class load In Java, a static initializer block is a … Read more

No they are not allowed to use non static features of the class, they can only call static methods and can use static data. No, a static method in Java cannot directly access non-static (instance) members of its class. Static methods are associated with the class itself, rather than with any specific instance of the … Read more

Code: Computer.harddisk Computer.compute() It seems like your question is incomplete or unclear. Could you please provide more details or clarify your question about Core Java? I’ll do my best to assist you once I have more information.

Via reference to any instance of the class Code: Computer comp = new Computer (); comp.harddisk where hardisk is a static variable comp.compute() where compute is a method To reference static variables in Java, you use the class name followed by the dot (.) operator and the variable name. Since static variables belong to the … Read more

They are loaded just before the constructor is called. In Java, non-static variables (also known as instance variables) are loaded into memory when an object is instantiated or created. These variables are associated with the instance of the class, and memory is allocated for them when you create an object of that class using the … Read more