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Get Oracle Certified Professional Java SE 11 Developer Certification – Four Full OCP Certification Timed Exams
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Java SE 11 Developer 1Z0-819 OCP Exam – Practice Tests 2021
Discount For Limited Time Coupon: 5DAYSPROMOTION Now that exams Java SE 11 Programmer I (1Z0-815) and Java SE 11 Programmer II (1Z0-816) are being retired, Oracle announces new Java SE 11 Developer (1Z0-819) Exam! These are practice exams for the new Java SE 11 Developer Exam 1Z0-819. they comprises brand-new questions, which are similar to the questions that can be expected on the real exam. Working through these exams will give you a good indication of how well you are prepared for the real exam, and whether any topics need further study. Java programmer certifications are designed to tell would-be employers whether you really know your stuff, and cracking the OCP Java SE 11 Developer Certification is not an easy task. if you want to pass the exam the first time with a score that you can be proud of. You need to take this course, that will help you to understand the certification process so that youre ready for the challenging questions youll face in 1Z0-819 the exam. This course provide detailed explanations, including why options are correct or incorrect. Mark your incorrect answers and identify the sections that you need to reread. Exam Pattern: Exam Title: Java SE 11 Developer Exam number: 1Z0-819 Exam Price:$245 Format: Multiple Choice Duration: 90 minutes Number of Questions: 50 Passing score: 68% Review exam topics: Working with Java data typesUse primitives and wrapper classes, including, operators, parentheses, type promotion and castingHandle text using String and StringBuilder classesUse local variable type inference, including as lambda parameters Java Object-Oriented ApproachDeclare and instantiate Java objects including nested class objects, and explain objects’ lifecycles (including creation, dereferencing by reassignment, and garbage collection)Define and use fields and methods, including instance, static and overloaded methodsInitialize objects and their members using instance and static initialiser statements and constructorsUnderstand variable scopes, apply encapsulation and make objects immutableCreate and use subclasses and superclasses, including abstract classesUtilize polymorphism and casting to call methods, differentiate object type versus reference typeCreate and use interfaces, identify functional interfaces, and utilize private, static, and default methodsCreate and use enumerations Working with Arrays and CollectionsUse generics, including wildcardsUse a Java array and List, Set, Map and Deque collections, including convenience methodsSort collections and arrays using Comparator and Comparable interfaces Java Platform Module SystemDeploy and execute modular applications, including automatic modulesDeclare, use, and expose modules, including the use of services Java I/O APIRead and write console and file data using I/O StreamsImplement serialization and deserialization techniques on Java objectsHandle file system objects using java. nio. file API Database Applications with JDBCConnect to and perform database SQL operations, process query results using JDBC API AnnotationsCreate, apply, and process annotations Controlling Program FlowCreate and use loops, if/else, and switch statements Exception HandlingHandle exceptions using try/catch/finally clauses, try-with-resource, and multi-catch statementsCreate and use custom exceptions Working with Streams and Lambda expressionsImplement functional interfaces using lambda expressions, including interfaces from the java. util. function packageUse Java Streams to filter, transform and process dataPerform decomposition and reduction, including grouping and partitioning on sequential and parallel streams ConcurrencyCreate worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java. util. concurrent APIDevelop thread-safe code, using different locking mechanisms and java. util. concurrent API Secure Coding in Java SE ApplicationDevelop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integritySecure resource access including filesystems, manage policies and execute privileged code LocalizationImplement Localization using Locale, resource bundles, and Java APIs to parse and format messages, dates, and numbersReady to get started?Click on the enroll button and get started on your road to Java certification, better job opportunities, and more pay!
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