Oracle Certification : OCP SE 21 Developper 1z0-830 part1

THE OCP EXAM TOPICS COVERED IN THIS PRACTICE TEST INCLUDE THE FOLLOWING:

Handling Date, Time, Text, Numeric and Boolean Values

Covered in: Building Blocks, Operators, Core APIs

• Use primitives and wrapper classes to evaluate arithmetic and boolean expressions.

• Apply the Math API, operator precedence, type promotion, and casting rules.

• Manipulate text using String, StringBuilder, and text blocks.

• Handle date, time, duration, period, instant, and time-zone objects using the Date-Time API, including daylight saving time.

Controlling Program Flow

Covered in: Making Decisions

• Create program control flow constructs using if/else, switch statements and expressions.

• Implement loops (for, while, do-while) and use break and continue statements to control flow.

Utilizing Java Object-Oriented Approach

Covered in: Building Blocks, Making Decisions, Methods, Class Design

• Declare and instantiate Java objects, including nested class objects, and explain object lifecycle: creation, reference reassignment, and garbage collection.

• Understand variable scopes, apply encapsulation, and create immutable objects.

• Use local variable type inference.

• Create classes and records; define and use instance and static fields, methods, constructors, and initializers.

• Implement inheritance, including abstract and sealed types, and override methods (including Object class methods).

• Use polymorphism and distinguish between object type and reference type.

• Perform reference type casting.

• Apply pattern matching with the instanceof operator and enhanced switch expressions.

• Implement method overloading, including var-args.

Working with Arrays and Collections

Covered in: Core APIs

• Create and use Java arrays.

• Work with List, Set, Map, and Deque collections.

• Add, remove, update, retrieve, and sort elements in collections.