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Oracle 1z0-808

Java SE 8 Programmer I

Free Questions in OTE format

 
File Date Q&A Votes Size  
Oracle.1z0-808.v2016-10-21.by.Jerry.77q.ote 2016-10-21 77 0/1 2.32 Mb
Oracle.1z0-808.v2016-04-03.by.Dave.76q.ote 2016-04-03 76 2/1 2.30 Mb

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About Oracle 1z0-808 dump

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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