Oracle 1z1-815 Exam : Java SE 11 Programmer I

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How to Prepare For 1Z0-815:Java SE 11 Programmer Exam

Preparation Guide for 1Z0-815:Java SE 11 Programmer Exam

Introduction

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1Z0-815:Java SE 11 Programmer Exam Certified Professional salary

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1Z0-815:Java SE 11 Programmer Exam Certification Path

1Z0-815:Java SE 11 Programmer Exam is foundation level Certification. As such There is no prerequisite for this course. Anyone who is having keen and familiar with Java technology are well invited to pursue this certification.

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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

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

3. Working with Java Arrays

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

4. 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

5. Reusing Implementations Through Inheritance

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

6. Handling Exceptions

• Create try-catch blocks and determine how exceptions alter program flow
• Describe the advantages of Exception handling and differentiate among checked, unchecked exceptions, and Errors
• 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

• Use Java operators including the use of parentheses to override operator precedence
• 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

9. 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

10. Applying Encapsulation

• Apply encapsulation principles to a class
• Apply access modifiers

11. Programming Abstractly Through Interfaces

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

12. Understanding Modules

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

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Oracle 1z1-815 Exam Syllabus Topics: