Java se 8 - Study guides, Class notes & Summaries

Reference Types Refers to an object, doesn't hold the value of the object they refer to, and stores the memory address where the object is located. Can be assigned null. Object Instance of a class Primitive Types Boolean, int, byte, double, float, long, don't have methods declared to them. Literal Fixed value that doesn't need further calculations in order to be assigned to a variable Local Variables Defined within a method, must be initialized before use. In ...

[UPDATED 2023] Java SE 8 Programmer I (1Z0-808) Exam Questions and Answers | 100%VERIFIED

Salesforce JavaScript Developer I Cert Practice Exam Questions With 100% Correct Answers Which two syntax examples correctly initialize a value to the variable strLang? A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; C. let strLang = javascript; D. str strLang = 'javascript'; - answerANSWER: A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; Additional Info: Note that C doesn't have a value that has single quotes around the word '...

A) In Java SE 8, an interface may declare default methods-that is, public methods with concrete implementations that specify how an operation should be performed. B) When a class implements an interface, the class receives the interface's default concrete implementations if it does not override them. C) When you enhance an existing interface with default methods-any class that implemented the original interface will break. D) With default methods, you can declare common method implementation...

WGU C482 Software 1: Oracle Certified Associate Java SE 8, Questions and answers. Graded A+

What is the main() method? the gateway between the startup of a java process and the beginning of a programmers code. The main() method allows us to hook our code onto a process. What are the rules of defining classes in files? Each file must only have one public class and its name must be same as the file. Classes that are not public can also be in the file. what is an access modifier? declares the level of exposure to potential callers in the program. e.g. private, public, protected W...

Salesforce JavaScript Developer I Cert Practice Exam Questions and Answers Which two syntax examples correctly initialize a value to the variable strLang? A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; C. let strLang = javascript; D. str strLang = 'javascript'; - ANSWER-ANSWER: A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; Additional Info: ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRS...

CS1410 Java Program Development 1. (Compulsory Question) Read the following partial problem specification. The task is to develop a simulation of an air traffic control system. There are several different types of aircraft, so an abstract base class has been created. Each aircraft has an integer code, initialised in the constructor. It is also possible to find out the remaining flying time (or CAPACITY), measured in minutes, before the aircraft must land. The following block of code cont...

Which two syntax examples correctly initialize a value to the variable strLang? A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; C. let strLang = javascript; D. str strLang = 'javascript'; - ANSWER-ANSWER: A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; Additional Info: Note that C doesn't have a value that has single quotes around the word 'javascript' and for D, 'str' is not a proper identifier Which statement sorts the foll...

Salesforce JavaScript Developer I Cert Practice Exam {Answered} Which two syntax examples correctly initialize a value to the variable strLang? A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; C. let strLang = javascript; D. str strLang = 'javascript'; - ANSWER: A. let strLang = 'javascript'; B. const strLang = 'java' + 'script'; Additional Info: Note that C doesn't have a value that has single quotes around the word 'javascript' and for D, ...