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OCP Java SE 11 Programmer I (1Z0-815) Practice Exam Test 2023

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Original price was: $39.99.Current price is: $19.99.

  • Contains 900 Questions
  • Total Mock Exams: 15
  • Taken exclusively from the previous real exams.
  • EXAM RETIRED
  • New Exam 1Z0-819 is available here
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Understanding Java Technology and environment

  • Describe Java Technology and the Java development
  • Identify key features of the Java language

Working With Java Primitive Data Types and String APIs

  • Declare and initialize variables (including casting and promoting primitive data types)
  • Identify the scope of variables
  • Use local variable type inference
  • Create and manipulate Strings
  • Manipulate data using the StringBuilder class and its methods

Working with Java Arrays

  • Declare, instantiate, initialize and use a one-dimensional array
  • Declare, instantiate, initialize and use a two-dimensional array

Creating and Using Methods

  • Create methods and constructors with arguments and return values
  • Create and invoke overloaded methods
  • Apply the static keyword to methods and fields

Reusing Implementations Through Inheritance

  • Create and use subclasses and superclasses
  • Create and extend abstract classes
  • Enable polymorphism by overriding methods
  • Utilize polymorphism to cast and call methods, differentiating object type versus reference type
  • Distinguish overloading, overriding, and hiding

Handling Exceptions

  • Describe the advantages of Exception handling and differentiate among checked, unchecked exceptions, and Errors
  • Create try-catch blocks and determine how exceptions alter program flow
  • Create and invoke a method that throws an exception

Creating a Simple Java Program

  • Create an executable Java program with a main class
  • Compile and run a Java program from the command line
  • Create and import packages

Using Operators and Decision Constructs

  • Use Java operators including the use of parentheses to override operator precedence
  • Use Java control statements including if, if/else, switch
  • Create and use do/while, while, for and for each loops, including nested loops, use break and continue statements

Describing and Using Objects and Classes

  • Declare and instantiate Java objects, and explain objects’ lifecycles (including creation, dereferencing by reassignment, and garbage collection)
  • Define the structure of a Java class
  • Read or write to object fields

Applying Encapsulation

  • Apply access modifiers
  • Apply encapsulation principles to a class

Programming Abstractly Through Interfaces

  • Create and implement interfaces
  • Distinguish class inheritance from interface inheritance including abstract classes
  • Declare and use List and ArrayList instances
  • Understanding Lambda Expressions

Understanding Modules

  • Describe the Modular JDK
  • Declare modules and enable access between modules
  • Describe how a modular project is compiled and run

1 review for OCP Java SE 11 Programmer I (1Z0-815) Practice Exam Test 2023

  1. Sinclair Arbew

    Great resource! Practice tests are realistic and well written overall. The level of detail in the explanations is fantastic and would recommend this course if you are planning to take this exam. While the course it awesome, I would also suggest using other resources to help fill in your knowledge gaps. Keep up the good work Skillcertpro!

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