155 Differences between static and default methods in Java 8: 1) Default methods can be overriden in implementing class, while static cannot. 2) Static method belongs only to Interface class, so you can …

In Effective Java, Chapter 7 (Methods), Item 40 (Design method signatures carefully), Bloch writes: There are three techniques for shortening overly long parameter lists: break the method into multiple …

No, the structure you found is how Java handles it, (that is, with overloading instead of default parameters). For constructors, See Effective Java: Programming Language Guide's Item 1 tip …

43 The static keyword in Java means that the variable or function is shared between all instances of that class as it belongs to the type, not the actual objects themselves. So if you have a variable: private …

Mar 6, 2017 · I am wondering when to use static methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the …

Aug 29, 2008 · How do I use JUnit to test a class that has internal private methods, fields or nested classes? It seems bad to change the access modifier for a method just to be able to run a test.

Oct 19, 2008 · In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public, protected and private, while making class and interface and dealing …

20 what about using "this" with methods in Java? Is it optional or there are situations when one needs to use it obligatory? The only situation I have encountered is when in the class you invoke a method …

Sep 3, 2008 · Java is pass by value according to the Java Language Specification: When the method or constructor is invoked (§15.12), the values of the actual argument expressions initialize newly …

Aug 17, 2013 · Those methods are called default methods. Default method or Defender method is one of the newly added features in Java 8. They will be used to allow an interface method to provide an …