Java Certification (1Z0-819) Topic-wise Tests Part-1 [2025]

Assess your preparation of Java SE 11 Developer exam (includes 535 questions)

Are you ready to pass the Java SE 11 Developer (1Z0-819) exam and prove your competency to recruiters and employers alike?

As of 27th Jan 2025, the practice test questions have helped 23 students to pass the OCP: Java SE 11 Developer (1Z0-819) exam.

This course covers questions on following 5 exam topics:

1. Working with Java data types

2. Controlling Program Flow

3. Java Object-Oriented Approach

4. Exception Handling

5. Working with Arrays and Collections

This course covers above 5 EXAM topics in orderly fashion, which will help students to assess their preparation for respective topic. This course can be used as a learning aid while preparing for 1Z0-819 certification to test your preparation for each topic while preparing for that topic. 

Topic-wise questions helps in identifying weak areas thus more focus can be given to those specific topics.

NOTE:

A.

These tests are divided into 2 parts (courses):

1. Java Certification (1Z0-819) Topic-wise Tests Part-1 [2025]: Contains 535 questions [THIS COURSE]

This course covers below 5 exam topics: 

• Working with Java data types

• Controlling Program Flow

• Java Object-Oriented Approach

• Exception Handling

• Working with Arrays and Collections

2. Java Certification (1Z0-819) Topic-wise Tests Part-2 [2025]: Contains 567 questions

This course covers below 8 exam topics:

• Working with Streams and Lambda expressions

• Java Platform Module System

• Concurrency

• Java I/O API

• Secure Coding in Java SE Application

• Database Applications with JDBC

• Localization

• Annotations

So, you will have total 1102 questions to solve.

B.

If you prefer exam simulation, then you can enroll in below courses:

1. Java Certification (1Z0-819) Exam Simulation Part-1 [2025]: Contains 300 questions

2. Java Certification (1Z0-819) Exam Simulation Part-2 [2025]: Contains 300 questions

3. Java Certification (1Z0-819) Exam Simulation Part-3 [2025]: Contains 251 questions

4. Java Certification (1Z0-819) Exam Simulation Part-4 [2025]: Contains 251 questions

These 4 courses contain the same 1102 questions as in 2 topic-wise courses. Each practice test of these exam simulation courses contain questions on all the exam topics, similar to what is expected in real exam.

Disclaimer: These questions are not real examination questions / dumps. These questions  are designed based on real exams in terms of pattern and complexity to help you understand the type of expected questions from each exam objective.

Course highlights:

1. All questions are multiple choice or multiple select questions.

2. You have around 2 minutes to complete each question which is more than the exam timing. 

3. This practice tests will explain in detail why the right answer is the right answer, in review phase. Understanding the explanation will help in instillation of concepts. Relevant hints and how to approach a question in real examination setting is also provided in explanation.

4. At the end of the practice exam, check your progress and review each question and sort by 1Z0-819 knowledge area, correct answers, wrong answers, skipped questions and questions marked for review.

5. You can take these exams multiple times till concepts are deeply ingrained.

Course Structure:

Test 1 covers following topics:

Working with Java data types

- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting

- Handle text using String and StringBuilder classes

- Use local variable type inference, including as lambda parameters (will be covered in Part-2)

Test 2 covers following topics:

Controlling Program Flow

- Create and use loops, if/else, and switch statements

Java Object-Oriented Approach

- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)

Test 3 covers following topics:

Java Object-Oriented Approach

- Define and use fields and methods, including instance, static and overloaded methods

- Initialize objects and their members using instance and static initialiser statements and constructors

- Understand variable scopes, apply encapsulation and make objects immutable

- Create and use subclasses and superclasses, including abstract classes

- Utilize polymorphism and casting to call methods, differentiate object type versus reference type

Test 4 covers following topics:

Java Object-Oriented Approach

- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods

- Create and use enumerations

Exception Handling

- try/catch/finally & multi-catch

- Create and use custom exceptions

Test 5 covers following topics:

Exception Handling

- try-with-resource

Working with Arrays and Collections

- Use a Java array

- Use generics, including wildcards

Test 6 covers following topics:

Working with Arrays and Collections

- Use List, Set, Map and Deque collections, including convenience methods

- Sort collections and arrays using Comparator and Comparable interfaces

Last but not the least, RELAX, and enjoy the tests!

Copyright 2025 Udayan Khattry

All rights reserved. No part of this course may be reproduced in any form or by any electronic or mechanical means, including information storage and retrieval systems, without permission in writing from the author.