Java: Arrays, Loops, Methods, and Encapsulation

This course is part of Exam Prep: Oracle Certified Associate, Java SE 8 [1Z0-808] Specialization

Instructor: Whizlabs Instructor

Access provided by Universitas Indonesia

2 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

4 hours to complete

Flexible schedule

Learn at your own pace

2 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

4 hours to complete

Flexible schedule

Learn at your own pace

What you'll learn

Apply control flow statements and looping constructs to implement iterative logic that meets specific program requirements.
Analyze primitive types and object references to determine how variable assignment, parameter passing, and method returns affect program behavior.
Construct classes and methods using proper encapsulation, constructors, and static members to produce reusable, and object-oriented Java code.

Skills you'll gain

Details to know

Shareable certificate

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Assessments

4 assignments

Taught in English

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This course is part of the Exam Prep: Oracle Certified Associate, Java SE 8 [1Z0-808] Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

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There are 2 modules in this course

Java: Arrays, Loops, Methods, and Encapsulation is the second course of Exam Prep: Oracle Certified Associate, Java SE 8 [1Z0-808] Specialization. This course provides a comprehensive foundation in core Java programming, covers essential Java syntax, language structure, and coding principles through a mix of theory and hands-on exercises. Learners begin with Java fundamentals, exploring data types, variables, arrays, and operators, then progress to decision constructs and looping mechanisms such as for, while, and do-while. The course introduces object-oriented concepts, including methods, constructors, encapsulation, and the static keyword, emphasizing practical implementation and memory behavior differences between primitive types and object references.

This course is ideal for: - Individuals who have completed foundational Java training and are looking to formalize their basic Java programming knowledge. - Anyone aiming for a career in software development using Java. - Students studying computer science or related IT fields often pursue this certification after completing their introductory Java programming courses. - Individuals in IT roles who want to move into a development-focused role or enhance their technical skill set to understand the applications they support. By the end of the course, you will be able to: - Apply control flow statements and looping constructs to implement iterative logic that meets specific program requirements. - Analyze primitive types and object references to determine how variable assignment, parameter passing, and method returns affect program behavior. - Design and construct classes and methods using proper encapsulation, constructors, and static members to produce maintainable, reusable, and object-oriented Java code.

Welcome to Week 1. This week, we’ll learn how to efficiently store, manage, and iterate through collections of data using arrays and various loop types. We’ll begin by exploring one-dimensional and multi-dimensional arrays, understanding how to declare, instantiate, initialize, and access array elements. Next, you’ll dive into the power of iteration constructs in Java, and then moving on to the for and enhanced for loop for cleaner and more controlled iterations. You’ll also learn how to compare loop constructs, manage control flow using break and continue statements to fine-tune loop execution. By the end of this module, you’ll be confident in creating array-based solutions, traversing complex data structures, and writing efficient, readable, and logically sound iteration logic.

What's included

7 videos2 readings2 assignments

7 videos Total 44 minutes

Declare, instantiate, initialize and use a one-dimensional array 6 minutes
Declare, instantiate, initialize and use multi-dimensional arrays 6 minutes
Create and use while loops 3 minutes
Create and use for loops including the enhanced for loop 7 minutes
Create and use do/while loops 3 minutes
Compare loop constructs 9 minutes
Use break and continue 9 minutes

2 readings Total 30 minutes

Welcome to the Course 15 minutes
Overview of Arrays and Loop Constructs 15 minutes

2 assignments Total 60 minutes

Arrays and Loop Constructs - Assessment 30 minutes
Arrays and Loops - Knowledge Check 30 minutes

Welcome to Week 2. This week, we’ll explore how to create methods with parameters and return values, enabling code reusability and better organization. We’ll examine method overloading, which allows multiple methods with the same name but different parameter lists, improving program flexibility and readability. Next, we’ll dive into the static keyword, understanding how static methods and variables belong to the class rather than an instance. You’ll see how static members can simplify access and memory management in common utility patterns. From there, we’ll move on to constructors, exploring how to create and overload them to properly initialize objects during instantiation. You’ll also gain hands-on practice applying access modifiers such as public, private, and protected to control visibility and strengthen data security. By the end of this module, you’ll be able to confidently design well-structured Java classes that follow encapsulation principles, implement constructors and overloaded methods effectively, and manage data access using proper modifiers.