This question already has answers here: What is the difference between a static and a non-static initialization code block (8 answers) Closed 7 years ago. I was looking over...
This question already has answers here: Non-static variable cannot be referenced from a static context (15 answers) Closed 7 years ago. The community reviewed whether to reopen this question...
This question already has answers here: Java inner class and static nested class (28 answers) Closed 8 years ago. What is the difference between static and non-static nested class?...
My question is about one particular usage of static keyword. It is possible to use static keyword to cover a code block within a class which does not belong...
I can see these definitions in the Swift library: extension Bool : BooleanLiteralConvertible { static func convertFromBooleanLiteral(value: Bool) -> Bool } protocol BooleanLiteralConvertible { typealias BooleanLiteralType class func convertFromBooleanLiteral(value:...
If a variable is declared as static in a function’s scope it is only initialized once and retains its value between function calls. What exactly is its lifetime? When...
I’ve written a factory to produce java.sql.Connection objects: public class MySQLDatabaseConnectionFactory implements DatabaseConnectionFactory { @Override public Connection getConnection() { try { return DriverManager.getConnection(...); } catch (SQLException e) { throw...
To be specific, I was trying this code: package hello; public class Hello { Clock clock = new Clock(); public static void main(String args) { clock.sayTime(); } } But...
The following code compiles in Swift 1.2: class myClass { static func myMethod1() { } class func myMethod2() { } static var myVar1 = "" } func doSomething() {...
I’d like to have a private static constant for a class (in this case a shape-factory). I’d like to have something of the sort. class A { private: static...