PDF Version DemoTopics 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
- Manipulate data using the StringBuilder class and its methods
- 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
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
- Apply the static keyword to methods and fields
- Create and invoke overloaded methods
- Create methods and constructors with arguments and return values
5. Reusing Implementations Through Inheritance
- Create and use subclasses and superclasses
- Enable polymorphism by overriding methods
- Distinguish overloading, overriding, and hiding
- Utilize polymorphism to cast and call methods, differentiating object type versus reference type
- 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
- 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
- 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
9. Describing and Using Objects and Classes
- Declare and instantiate Java objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Read or write to object fields
- Define the structure of a Java class
10. Applying Encapsulation
- Apply access modifiers
- Apply encapsulation principles to a class
11. Programming Abstractly Through Interfaces
- Understanding Lambda Expressions
- Distinguish class inheritance from interface inheritance including abstract classes
- Create and implement interfaces
- Declare and use List and ArrayList instances
12. Understanding Modules
- Declare modules and enable access between modules
- Describe the Modular JDK
- Describe how a modular project is compiled and run
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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
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Oracle 1z1-815日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Exception Handling | - Exception types and try-catch blocks - Throwing and handling exceptions |
| Reusing Implementations through Inheritance | - Abstract classes and polymorphism - Subclass and superclass creation and usage |
| Creating a Simple Java Program | - Compiling and running from command line - Creating executable Java programs with a main class - Package declaration and import |
| Module System | - Modular JDK and module declaration - Compiling and running module projects |
| Operators and Control Structures | - Decision constructs (if/else, switch) - Usage of operators and parenthesis to override precedence - Loops (do/while, while, for, enhanced for), break/continue |
| Describing and Using Objects and Classes | - Class definition and object field read/write - Reference types declaration and object lifecycle |
| Programming Abstractly through Interfaces | - Interface creation and implementation - List and ArrayList usage, lambda expressions |
| Understanding Java Technology and Environment | - Java technology and development environment - Key features of the Java language |
| Creating and Using Methods | - Methods and constructors with args and return values - Method overloading and static usage |
| Working with Java Primitive Data Types and Strings | - Variable declaration and initialization, casting/promotions - Variable scope and local variable type inference - String and StringBuilder operations |
| Working with Java Arrays | - One-dimensional array declaration, instantiation and use - Two-dimensional array declaration, instantiation and use |
| Applying Encapsulation | - Access modifiers and encapsulation principles |
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