Java certification Study guides, Class notes & Summaries

Java Certification exam study guide 2024 with complete solutions already graded A+

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 ...

GIAC GSSP-JAVA Certification Sample Questions and answers 100% correct 2024 01. Which of the following exceptions will be thrown if the commit() method fails? a) Destroy Failed Exception b) Null Pointer Exception c) Login Exception d) Security Exception - correct answer Answer: c) Login Exception 02. For which of the following purposes is the AccessController class used? a) To determine most of the parameters of the Java sandbox and whether particular operations should be permit...

GIAC GSSP-JAVA Certification Sample Questions01. Which of the following exceptions will be thrown if the commit() method fails? a) Destroy Failed Exception b) Null Pointer Exception c) Login Exception d) Security Exception - correct answer Answer: c) Login Exception 02. For which of the following purposes is the AccessController class used? a) To determine most of the parameters of the Java sandbox and whether particular operations should be permitted or rejected. b) To decide wh...

If you overwrite clone(), which 3 rules must this method obey?1) the new object should be new: memory address should differ 2) Both should be an object of the same class 3) Both should be in the same state: ().equals(a) == true Why do we need to implement the Clonable interface?At runtime it would throw the CloneNotSupportedException if we don't implement the Cloneable interface. A class implements the Cloneable interface to indicate to the O() method that it is legal for that meth...

GIAC GSSP-JAVA Certification Sample Questions and answers already passed 2023/2024 01. Which of the following exceptions will be thrown if the commit() method fails? a) Destroy Failed Exception b) Null Pointer Exception c) Login Exception d) Security Exception - correct answer Answer: c) Login Exception 02. For which of the following purposes is the AccessCon

Java Fundamentals - 1Z0-811Prep For Certification Exam 2023

OCA Java SE 8 Programmer certification Exam Questions & Answers 2023/2024 Package statement Import statements Comments Class declaration { Variables Comments Constructors Methods Nested classes Nested interfaces Enum } - ANSWER-Structure of a Java class public final class Runner extends Person implements Athlete {} - ANSWER-Components of a class declaration using an example - Per Java naming conventions, package names should all be in lowercase. - The package and su...

A Programmer’s Guide to Java™ SCJP Certification Third Edition This page intentionally left blank 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...