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The 1Z0-815:Java Exam certification is an internationally-recognized certification which help to have validation for those professionals who are keen to make their career in Java Technology.

This exam aspirant are accustomed to the ideas and therefore the concepts of Java Technology . Candidates should have some hands-on experience with Declare, instantiate one dimensional array, applying encapsulation and understanding lambda expressions. These candidates can go for this exam.

• IT coder / developer
• Fresher

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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

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

2. Working With Java Primitive Data Types and String APIs

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

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

5. Reusing Implementations Through Inheritance

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

6. Handling Exceptions

• Create and invoke a method that throws an exception
• 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

7. Creating a Simple Java Program

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

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 control statements including if, if/else, switch
• Use Java operators including the use of parentheses to override operator precedence

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

• Distinguish class inheritance from interface inheritance including abstract classes
• Create and implement interfaces
• 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

Oracle 1z1-815日本語 Exam Syllabus Topics: