Nov 28, 2012 · In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being …

1 Java now supports optionals in 1.8, I'm stuck with programming on android so I'm using nulls until I can refactor the code to use optional types.

How do I make a delay in Java? Asked 11 years, 6 months ago Modified 10 months ago Viewed 2.3m times

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 …

Dec 4, 2009 · System.out.println("Method is finished!"); Internally I'm using a class that implements Runnable and do some Reflection work to get the correct method object and invoking it. I want some …

Jan 11, 2010 · This way you'll be invoking the method on an instance, but at least you won't be creating new instances each time you need to call the method. Implement 2 methods in your class: an …

May 24, 2016 · Afaik, Java and most typed languages don't overload methods or functions based on return type. For instance public int getValue(String name){} is indistinguishable from public boolean …

Make the variable a member variable (field) of the Activity or other subclass of Context by removing the static modifier and placing it within the class body; Keep it static and delay the initialization to a later …

The common way is to make the private method protected or package-private and to put the unit test for this method in the same package as the class under test. Guava has a @VisibleForTesting …

May 10, 2019 · Consider a method signature like: public String myFunction(String abc); Can Mockito help return the same string that the method received?