Name: 1z1-815 exam braindumps: Java SE 11 Programmer I & 1z1-815 study guide
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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
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
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 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

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
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
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

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 encapsulation principles to a class
Apply access modifiers

11. Programming Abstractly Through Interfaces

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

12. Understanding Modules