Defining classes in java - Study guides, Class notes & Summaries
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Oracle SE 8 Java Programmer 1 Practice Test Questions with Correct Answers
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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...
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Oracle Certified Professional - Java SE 6 Programmer exam questions and answers
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Abstract classes used when: 
Common abstract methods to be re-used for different clients. 'Extend' the class. 
 
 
 
Abstract classes do not have pre-defined methods, only abstract methods. T/F? 
False. Abstract class must have at least one abstract method, rest may be initiated pre-defined methods. 
 
 
 
Interfaces used when: 
All abstract methods and no pre-defined methods. 
'Implement' the class. 
 
 
 
Local (method) variables must be defined but not initialized. T/F? 
False. Local vari...
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Java 8 Questions for Oracle Certified Associate Java SE 8 Programmer 1 exam questions and answers
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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 within a multiline comment? 
false 
 
 
 
How many public classes can be added to a single file 
1 
 
 
 
Write the syntax for the main method. 
public static void main(String[] ar...
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OCA Chapter 1 Exam Questions & Answers 2023/2024
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OCA Chapter 1 Exam Questions & Answers 2023/2024 
 
 
Defining a Class - ANSWER-Describing parts & characteristics of building blocks. Need to create an object in order to use. 
 
Object - ANSWER-Runtime instance of a class in memory 
Sits on heap and does not have name 
Cannot be assigned to another object, passed or returned 
Gets garbage collected 
 
Two Primary Elements of Java Classes/Members - ANSWER-Methods & Fields 
 
Methods - ANSWER-Functions/Procedures that operate on the state of the...
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Java 8 Questions for Oracle Certified Associate Java SE 8 Programmer 1 practice test questions and answers
- Exam (elaborations) • 20 pages • 2024
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- $16.49
- + learn more
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 within a multiline comment? 
false 
 
 
 
How many public classes can be added to a single file 
1 
 
 
 
Write the syntax for the main method. 
public static void main(String[] ar...
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APEX WORKBOOK ALL CONTENT WITH COMPLETESOLUTIONS
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Apex Workbook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 
Part 1: Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 
Creating Warehouse Custom Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 
Using the Developer Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 
Activati...
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Java Certification 8 SE exam study guide 2024 with complete solutions already graded A+
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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 ...
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A Programmer’s Guide to Java™ SCJP Certification Third Edition
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A Programmer’s Guide to 
Java™ SCJP Certification 
Third Edition 
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A Programmer’s Guide to 
Java™ SCJP Certification 
A Comprehensive Primer 
Third Edition 
Khalid A. Mughal 
Rolf W. Rasmussen 
Upper Saddle River, New Jersey • Boston • Indianapolis • San Francisco 
New York • Toronto • Montreal • London • Munich • Paris • Madrid 
Capetown • Sidney • Tokyo • Singapore • Mexico City 
Many of the designations used by manufacturers...
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Absolute Java 5th Edition by Walter Savitch - Test Bank
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Chapter 3 
Flow of Control 
 Multiple Choice 
1) An if selection statement executes if and only if: (a) the Boolean condition evaluates to false. 
(b) the Boolean condition evaluates to true. 
(c) the Boolean condition is short-circuited. 
(d) none of the above. Answer: B 
2) A compound statement is enclosed between: (a) [ ] 
(b) { } 
(c) ( ) 
(d) < > Answer: B 
3) A multi-way if-else statement 
(a) allows you to choose one course of action. 
(b) always executes the else statement. 
(c...
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OCA Exam Questions & Answers 2023/2024
- Exam (elaborations) • 6 pages • 2023
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OCA Exam Questions & Answers 2023/2024 
 
 
Can you have static classes in Java? - ANSWER-Yes and no. You cannot have top-level static classes, but you may have nested static classes (these are mainly used in defining one-off, utility and/or library classes where instantiation would not make sense). You can basically declare the class final to mimic static class behavior since you wouldn't want to extend a static class in the first place. 
 
ArithmeticException - ANSWER-Thrown by the JVM when c...
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