
In laymans terms, what does 'static' mean in Java?
The static keyword can be used in several different ways in Java and in almost all cases it is a modifier which means the thing it is modifying is usable without an enclosing object instance. …
java - What are classes, references, and objects? - Stack Overflow
Feb 10, 2012 · 53 I've been programming Java for 2 years now, and I have encountered a problem where I couldn't understand and differentiate class, reference, and an object. I am not …
inheritance - What is an interface in Java? - Stack Overflow
Jan 10, 2021 · An interface in java is a blueprint of a class. It has static constants and abstract methods only.The interface in java is a mechanism to achieve fully abstraction.
What is the difference between declaration and definition in Java?
Jul 30, 2012 · The Java Language Specification specifies and uses the term "declaration" extensively, but it does not use "definition" except as a normal English word. My evidence is …
What is an instance variable in Java? - Stack Overflow
Jan 7, 2021 · My assignment is to make a program with an instance variable, a string, that should be input by the user. But I don't even know what an instance variable is. What is an instance …
What are Java's primitive types? - Stack Overflow
Java also allows programmers to define their own types (user defined types). For primitive types Java has built-in support. Primitive types are predefined by the Java language and are named …
java - What's the difference between primitive and reference types ...
@Eng.Fouad: passing an argument by reference is well defined in C. Understanding of these concepts [pointers, values, pass by reference] in C almost ensures understanding the …
java - what is meaning of instance in programming? - Stack Overflow
Dec 9, 2013 · 6 Here is a pretty standard definition: An instance, in object-oriented programming (OOP), is a specific realization of any object. An object may be varied in a number of ways. …
java - What is meant by immutable? - Stack Overflow
Nov 11, 2008 · To recap, in Java, java.lang.String is an immutable object (it cannot be changed once it's created) and java.lang.StringBuilder is a mutable object because it can be changed …
Java inner class and static nested class - Stack Overflow
Sep 16, 2008 · According to the Java documentation, there is a difference between an inner class and a static nested class -- static nested classes don't have references to their enclosing class …