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How to study the 1Z0-815:Java SE 11 Programmer Exam

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Topics of 1Z0-815:Java SE 11 Programmer Exam

Candidates must know the exam topics before they start of preparation. because it will really help them in hitting the core. Our 1Z0-815 Java exam dumps will include the following topics:

1. Understanding Java Technology and environment

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

2. Working With Java Primitive Data Types and String APIs

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

3. Working with Java Arrays

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

4. Creating and Using Methods

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

5. Reusing Implementations Through Inheritance

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

6. 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

7. Creating a Simple Java Program

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

8. Using Operators and Decision Constructs

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

9. Describing and Using Objects and Classes

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

10. Applying Encapsulation

Apply access modifiers
Apply encapsulation principles to a class

11. 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

12. Understanding Modules

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

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