Comprehensive Java SE Certification Q&A Exam Bundle

Platform Independence: Write Once, Run Anywhere One of the main benefits of Java. This means that any code written with java only needs to be compiled once, rather than needing to be recompiled for different operating systems Verbose, Clear Syntax Used to tell the JVM which kind of information to...

What are the components of a Java class file? * Package statement * Import statements * Comments * Class declaration { Variables Comments Constructors Methods Nested classes Nested interfaces Enum } If a class includes a package statement, where must it be placed? The first ...

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 th...

Prior to Java SE 8, Java supported three programming paradigms. Java SE 8 adds ________. a. procedural programming b. object-oriented programming c. generic programming d. functional programming. d. functional programming The new language and library capabilities that support functional prog...

Name Answer Is the new operator required for Strings? no, it's optional In a string, When does + concat and when does it perform add If either operand involved in the + expression is a String, concatenation is used; otherwise, addition is used. What are 13 methods of the String class? ccee...

What are the components of a Java class file? Levels of components: 1. Package statement 2. import statements 3. Project Comments (Optional Element) 4. Declaration of the class --------Inside the class declarations-------- 5. Instantiating variables 6. Project comments 7. Methods used to ...

What's a JAR file? - Java archive file. - A JAR is a zip file with some extra information, and the extension is .jar . What is the purpose of modules? The main purpose of a module is to provide groups of related packages to offer a particular set of functionality to developers. What's JPMS...

what are lambdas and why are they useful in Java? lambdas in java are a short block of code which takes in parameters and returns a value. they're similar to method, but do not need a name, so they're useful for providing a quick implementation for functional interfaces what is a functional...

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 a...

.1 The structure of a Java class and source code file: The OCA Java SE 8 Programmer I exam covers the structure and components of a Java class and Java source code file (.java file). It doesn't cover the structure and components of Java bytecode files (.class files). 1.1 The structure of a Java...

What year was the Java programming created 1995 What does OCA stand for Oracle Certified Associate What are the 2 tests for Java developers provided by Oracle OCA and OCP The full declaration of a method is called the method ____ signature True or False - can you add a multiline comment ...