Java SE 8 Programmer I 
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Академия АйТи Онлайн
Oracle Код: 1Z0-808 # Pearson VUE # 120 минут # Москва # English

Java SE 8 Programmer I 


Физлицам
16000 ₽
Юрлицам
16000 ₽
  • Содержание

    Exam Topics:

    Java Basics

    • Define the scope of variables 
    • Define the structure of a Java class
    • Create executable Java applications with a main method; run a Java program from the command line; including console output.
    • Import other Java packages to make them accessible in your code
    • Compare and contrast the features and components of Java such as: platform independence, object orientation, encapsulation, etc.

    Working With Java Data Types

    • Declare and initialize variables (including casting of primitive data types)
    • Differentiate between object reference variables and primitive variables
    • Know how to read or write to object fields
    • Explain an Object's Lifecycle (creation, "dereference by reassignment" and garbage collection)
    • Develop code that uses wrapper classes such as Boolean, Double, and Integer.  

    Using Operators and Decision Constructs 

    • Use Java operators; including parentheses to override operator precedence
    • Test equality between Strings and other objects using == and equals ()
    • Create if and if/else and ternary constructs
    • Use a switch statement

    Creating and Using Arrays

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

    Using Loop Constructs

    • Create and use while loops
    • Create and use for loops including the enhanced for loop
    • Create and use do/while loops
    • Compare loop constructs
    • Use break and continue

    Working with Methods and Encapsulation

    • Create methods with arguments and return values; including overloaded methods
    • Apply the static keyword  to methods and fields  
    • Create and overload constructors; including impact on default constructors
    • Apply access modifiers
    • Apply encapsulation principles to a class
    • Determine the effect upon object references and primitive values when they are passed  into methods that change the values

    Working with Inheritance

    • Describe inheritance and its benefits
    • Develop code that demonstrates the use of polymorphism; including overriding and object type versus reference type
    • Determine when casting is necessary
    • Use super and this to access objects and constructors
    • Use abstract classes and interfaces

    Handling Exceptions

    • Differentiate among checked exceptions, unchecked exceptions, and Errors
    • Create a try-catch block and determine how exceptions alter normal program flow
    • Describe the advantages of Exception handling 
    • Create and invoke a method that throws an exception
    • "Recognize common exception classes (such as NullPointerException, ArithmeticExcpetion, ArrayIndexOutOfBoundsException, ClassCastException)"

    Working with Selected classes from the Java API 

    • Manipulate data using the StringBuilder class and its methods
    • Creating and manipulating Strings
    • Create and manipulate calendar data using classes from java.time.LocalDateTime,  java.time.LocalDate, java.time.LocalTime, java.time.format.DateTimeFormatter, java.time.Period 
    • Declare and use an ArrayList of a given type 
    • Write a simple Lambda expression that consumes a Lambda Predicate expression

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