default & static methods have bridged down the differences between interfaces and abstract classes. Interface default methods: It helps in avoiding utility classes, such as all the …

Update: Java 8 includes the class java.util.Optional out-of-the-box, so there is no need to use guava for this particular reason in Java 8. The method name is a bit different though. Builder …

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 …

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 …

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 …

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 …

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 …

Jul 24, 2013 · Here is my Scenario: I've got to call a method. Let the parameters be: Parameter1, Parameter2, .. , .. , Parameter N But the Parameters to be sent to the method might change in …

Sep 3, 2008 · 871 Java is always pass by value, with no exceptions, ever. So how is it that anyone can be at all confused by this, and believe that Java is pass by reference, or think they …

Difference between Static methods and Instance methods Instance method are methods which require an object of its class to be created before it can be called. Static methods are the …