Q2 (e) Again it's best to initialize the field right at the point of declaration. The mapper field is private and needs to be set during unit test setup. The default constructor is generally used to initialize the variables of the class with the respective default values, i.e., null for objects, 0.0 for float and double, false for boolean, 0 for byte, short, int, and long. chk.Setup (x => x.checkEmp ()).Returns (true); The preceding line is a bit interesting. To define a lazy-initialized type, for example, MyType, use Lazy<MyType> (Lazy(Of MyType) in Visual Basic), as shown in the following example. class Test {. The following example shows how to initialize a new StudentName type by using object initializers. The test consists of 15 questions on Java. Why You Should Use Constructor Injection in Spring Both unary and binary operators can be overloaded. All arrays in Java are initialized to the default value for the type . C Initialize In Constructor Or Declaration We first have to create the object of the class or collection which we want, as we normally do in C#. We can define as many parameters as we need. There would only be one copy of each class variable per class, regardless of how many objects are created from it. The Mock will always return the same value on all calls . a) Constructors cannot be synchronized in Java. Automatically by Mockito framework if there is default (non-parametrized) constructor; Or explicitly initialized (e.g. Variables Types - Edguru9 Java local variables, example, scope and use - tutorialsinhand MOCK INTERVIEW. This answer is not useful. *; import static org.junit.jupiter.api.Assertions. The correct answer with a description will be displayed after the answer has been marked. 10 Difference between Primitive and Reference variable in Java ... C is incorrect as it start with "&". Default value of global and static int variable is zero. Jest can be used to mock ES6 classes that are imported into files you want to test. 2. Explanation: When object of subclass is created, first constructor of subclass is checked, for if there is any super keyword exists. Basic Lazy Initialization.