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. …

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 …

Jan 10, 2021 · From oracle documentation page ( post Java 8 release) : In the Java programming language, an interface is a reference type, similar to a class, that can contain only constants, …

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 …

Dec 9, 2021 · 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. …

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 …

@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 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 …

Nov 11, 2008 · Respect the above definition which could be checked by looking into the Sting.java source code. What are the advantages/disadvantages of the immutable objects? immutable …

Jun 23, 2009 · The first if the historical definition and the most important. What is polymorphism used for? It allows to create strongly-typed consistency of the class hierarchy and to do some …