How do I make a delay in Java? Asked 11 years, 6 months ago Modified 9 months ago Viewed 2.3m times

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.

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 …

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 …

2 You can not make reference to static variable from non-static method. To understand this , you need to understand the difference between static and non-static. Static variables are class variables , they …

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 …

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

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 28, 2012 · I am writing a method that should accept as its parameter an object of one of two types which do not share a parent type other than Object. For example, the types are Dreams and Garlic. …