Oracle 1z1-815日本語 : Java SE 11 Programmer I (1z1-815日本語版)

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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.

What is the duration, language, and format of 1Z0-815:Java SE 11 Programmer Exam

• Passing Score 63%
• language: English
• Length of Examination: 180 mins
• Type of Questions: This test format is multiple choice.
• Number of Questions: 80

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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)
• Use local variable type inference
• Manipulate data using the StringBuilder class and its methods

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
• Apply the static keyword to methods and fields
• Create and invoke overloaded methods

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 extend abstract classes
• Distinguish overloading, overriding, and hiding
• Create and use subclasses and superclasses

6. Handling Exceptions

• Create and invoke a method that throws an exception
• 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

7. Creating a Simple Java Program

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

8. Using Operators and Decision Constructs

• 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
• 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
• Declare and instantiate Java objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
• Define the structure of a Java class

10. Applying Encapsulation

• Apply encapsulation principles to a class
• Apply access modifiers

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

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

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