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Java SE 8 Programmer I 1Z0-808 Certification Exam Details[править]
? Exam Name: Java SE 8 Programmer I ? Exam Code: 1Z0-808 ? Exam Price: $245.00 Read more about exam pricing ? Format: Multiple Choice ? Duration: 150 Minutes ? Number of Questions: 70 ? Passing Score: 65% ? Validated Against: This exam has become written for that Java SE 8 release. ? 1Z0-808 practice test: https://www.dbexam.com/1z0-808-java-se-8-programmer-i ? 1z0-808 syllabus: https://www.dbexam.com/oracle-1z0-808-certification-exam-syllabus 1Z0-808 Certification Exam Topics: ? Java Basics 0 Define the scope of variables 0 Define the structure of an Java class 0 Create executable Java applications using a main method; chance a Java program from the command line; produce console output 0 Import other Java packages to make them available in your code 0 Compare and contrast the features and the different parts of Java for example: platform independence, object orientation, encapsulation, etc.
? Using Operators and Decision Constructs 0 Use Java operators; use parentheses to override operator precedence 0 Test equality between Strings as well as other objects using == and equals () 0 Create if and if/else and ternary constructs 0 Use a switch statement
? Using Loop Constructs 0 Create and rehearse while loops 0 Create and rehearse for loops like the enhanced for loop 0 Create and use do/while loops 0 Compare loop constructs 0 Use break and continue
? Working with Inheritance 0 Describe inheritance as well as benefits 0 Develop code which makes using polymorphism; develop code that overrides methods; differentiate relating to the sort of a reference along with the sort of a thing 0 Determine when casting is necessary 0 Use super this also to get into objects and constructors 0 Use abstract classes and interfaces
? Working with Selected classes through the Java API 0 Manipulate data while using StringBuilder class and its particular methods 0 Create and manipulate Strings 0 Create and manipulate calendar data using classes from java.time.LocalDateTime, java.time.LocalDate, java.time.LocalTime, java.time.format.DateTimeFormatter, java.time.Period 0 Declare and make use of an ArrayList of the given type 0 Write a simple Lambda expression that consumes a Lambda Predicate expression
? Assume the subsequent: 0 Missing package and import statements 0 No file or directory path names for classes 0 Unintended line breaks 0 Code fragments 0 Descriptive comments ? Get More Detail about 1Z0-808 Certification: https://1z0-808-preparationguide.blogspot.com/
? Working With Java Data Types 0 Declare and initialize variables (including casting of primitive data types) 0 Differentiate between object reference variables and primitive variables 0 Know how you can read or email object fields 0 Explain an Object's Lifecycle (creation, "dereference by reassignment" and garbage collection) 0 Develop code which utilizes wrapper classes like Boolean, Double, and Integer
? Creating and ultizing Arrays 0 Declare, instantiate, initialize and rehearse a one-dimensional array 0 Declare, instantiate, initialize and use multi-dimensional arrays
? Working with Methods and Encapsulation 0 Create methods with arguments and return values; including overloaded methods 0 Apply the static keyword to methods and fields 0 Create and overload constructors; differentiate between default and user defined constructors 0 Apply access modifiers 0 Apply encapsulation principles into a class 0 Determine the consequence upon object references and primitive values when they are passed into techniques that alter the values ? Handling Exceptions 0 Differentiate among checked exceptions, unchecked exceptions, and Errors 0 Create a try-catch block and determine how exceptions alter normal program flow 0 Describe the main advantages of Exception handling 0 Create and invoke a technique that throws the best 0 Recognize common exception classes (such as NullPointerException, ArithmeticException, ArrayIndexOutOfBoundsException, ClassCastException)
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