Regression testing is very important to ensure that new code doesn't break the existing functionality. The downside is that performing manual regression tests can be tedious and time-consuming, and the effort o
The result instance of this code implements theListinterface, but it isn’t ajava.util.ArrayListor aLinkedList.Instead, it’s aListbacked by the original array, which has two implications that we’ll look at in the rest of this section. Although the class’s name happens to beArrayList, ...
we find inheritance and the usage of subclasses abundant in the java jdk. let’s take the collection api of java as an example. we have an abstractlist class in the collections api, which is extended by concrete implementations such as linkedlist , arraylist, and vector , which are subc...