Practice Exam 1Z0-808: Java SE 8 Programmer I

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duration: 3 hours |

access duration: 180 days |

Details

With this practice exam you can test whether you are ready to pass the exam 1Z0-808 Java SE 8 Programmer I. Our practice exams have been set up in such a way that they replicate the real certification exams as much as possible, both in terms of content, and the way in which the questions are posed.

Result

You will know if you are ready to take the exam and/or on which subjects you have to do more studying. You have also received extensive feedback during the practice exams.

Prerequisites

You have successfully finished a training course for this exam. A training course for this exam is available through us.

Target audience

Software Developer

Content

Practice Exam 1Z0-808: Java SE 8 Programmer I

3 hours

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
  • 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

Course options

We offer several optional training products to enhance your learning experience. If you are planning to use our training course in preperation for an official exam then whe highly recommend using these optional training products to ensure an optimal learning experience. Sometimes there is only a practice exam or/and practice lab available.

Optional practice exam (trial exam)

To supplement this training course you may add a special practice exam. This practice exam comprises a number of trial exams which are very similar to the real exam, both in terms of form and content. This is the ultimate way to test whether you are ready for the exam. 

Optional practice lab

To supplement this training course you may add a special practice lab. You perform the tasks on real hardware and/or software applicable to your Lab. The labs are fully hosted in our cloud. The only thing you need to use our practice labs is a web browser. In the LiveLab environment you will find exercises which you can start immediatelyThe lab enviromentconsist of complete networks containing for example, clients, servers,etc. This is the ultimate way to gain extensive hands-on experience. 

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