Course: Java SE 8 Programmer II (exam 1Z0-809)

• start the course
• recall the features of Java technology and describe Java Community Process or JCP
• recall the structure of a simple Java class with a main method, Java naming conventions, and how to compile and run a program
• recall primitive variables and operators in Java
• recall use of if-else and switch statements, iteration with loops, and creating arrays in Java
• recall String and StringBuilder classes for working with strings in Java
• recall Java fields, constructors, and methods
• describe how to use encapsulation in Java class design
• describe how to create and use Java subclasses
• describe how methods and constructors can be overloaded in Java
• use access levels, such as private, protected, default, and public, in Java classes
• describe how to override methods in Java and use virtual method invocation
• describe how to apply polymorphism in Java
• override and overload methods and apply polymorphism in Java
• implementing casting in Java
• describe how to work with static classes in Java
• describe how to implement the singleton design pattern
• describe how to create an immutable class in Java
• describe how to design general purpose base classes by using abstract classes in Java
• apply the Abstract keyword to a Java class
• describe how the final keyword can be used in Java
• describe how to create and use nested classes in Java
• implement an inner class as a helper class in Java
• describe how to create and use enumerations in Java
• learn how to use encapsulation, polymorphism, and abstraction in Java 8 programming

• start the course
• describe how to work with interfaces in Java
• use default and static methods in Java interfaces
• describe how to extend an interface in Java
• use Java interfaces in a Java application
• describe how to use anonymous inner classes in Java
• describe how classes, interfaces, anonymous inner classes, and lambda expressions can be used to provide similar code functionality in Java
• describe how to use lambda expressions in Java
• write lambda expressions for a Java application
• describe how to create a custom generic class using the type inference diamond
• describe the Java Collections Framework
• contrast the implementation of an ArrayList in Java without and with generics
• describe how to implement a TreeSet using the Set interface in the Java Collection application programming interface or API
• describe how to implement a TreeMap using the Map interface in the Java Collection application programming interface or API
• describe how to implement an ArrayDeque using the Deque interface in the Java Collection application program interface or API
• describe how to use the Comparable and Comparator interfaces to sort Java collections
• describe how to use the builder pattern to create a Java class
• describe how to iterate through a collection using a Lambda expression
• describe the Stream Application Program Interface or API and how it can be used to process Java collection elements in parallel
• describe how to call an existing method using a method reference and how methods can be chained in Java Lambda expressions
• learn the features of Java interfaces, the inner anonymous class, and Java streams

• start the course
• describe how to implement the core interfaces – Predicate, Consumer, Function, and Supplier – in the java.util.function package
• describe how to use the primitive versions of built-in functional interfaces in Java
• describe how to use the binary versions of built-in functional interfaces in Java
• describe how to use the UnaryOperator functional interface in Java
• practice creating a consumer, function supplier, and bipredicate lambda expression in Java
• describe the types of stream operations in Java and overview map and peek
• describe the map, flatMap, and peek methods in the Stream application programming interface or API, extract data from an object using map, and return data elements to a stream using peek
• describe the java.util.stream search methods, and their use of optional classes and lazy processing
• compare forEach loop to a findFirst short-circuit terminal operation in a Java program
• describe the methods available for manipulating data in the Java Stream application programming interface or API
• use Java stream methods to count the number of transactions and determine the min and max values in a collection for transactions
• describe how to sort stream data using the collect method and Collectors class in Java
• describe how to save, group, and partition data using the Collectors class in Java
• collect, combine, and group stream data results in Java
• use Java Stream methods to calculate totals and averages in a collection
• describe how to handle exceptions with try catch and finally clauses in Java
• catch checked and unchecked exceptions in a Java program
• describe how to use try-with-resources statements in Java
• describe how to throw an exception in Java
• describe how to catch custom exceptions in Java
• extend and throw exceptions in Java programs
• use assertions in Java programs

• start the course
• describe the java.time application program interface or API
• use the LocalDate class to display a date in Java
• use the LocalTime class to display a time in Java
• use the LocalDateTime class to display a date and time in Java
• describe how to work with dates and times across time zones in Java
• work with dates and times across different time zones in a Java application
• describe how to use classes, interfaces, and methods associated with date and time in Java
• format dates in Java
• practice working with local dates and times in Java
• describe the basics of input and output in Java
• describe how to work with input and output streams in byte format in Java
• describe how to work with input and output streams in character format in Java
• describe how input and output streams are chained in Java
• describe how to read and write data from the console
• describe how to write and read objects using serialization
• serialize and deserialize a ShoppingCart object using Java
• practice writing a simple Java console I/O application
• describe how to use the Path interface to operate on file and directory paths
• describe how to use the Files class to check, delete, copy, or move a file or directory
• describe how to use the Stream application program interface or API with NIO.2
• read text files using new features in Java 8 and the lines method
• practice listing directories and files using new features found in Java 8

• start the course
• describe operating system task scheduling in Java
• describe how to use an ExecutorService to concurrently execute tasks
• identify potential threading problems
• describe how to use synchronized code blocks to manage atomicity
• describe how to use the java.util.concurrent collections to manage threads
• create a network client using the java.util.concurrent package
• learn how to implement inheritance, interfaces, handle exceptions, and deploy a Java application
• describe the need for parallelism in modern systems
• describe the Fork-Join framework in Java
• implement the Java Fork-Join framework
• review the key characteristics of streams in Java
• describe how to make a stream pipeline execute in parallel in Java
• list the key assumptions needed to use a parallel pipeline
• define reduction in relation to streams in Java
• describe the process for decomposing and then merging work in a Java stream
• list the key performance considerations for parallel streams in Java
• perform calculations without a stream pipeline and with a pipeline
• learn how to implement inheritance, interfaces, handle exceptions, and deploy a Java application
• define the Java database connectivity application program interface or JDBC API and describe how to use it to connect to a database, submit queries, and retrieve results
• describe how to perform the Create Retrieve Update Delete or CRUD operations using the Java database connectivity application program interface or JDBC API
• manage operation performed using the Java database connectivity application program interface or JDBC API
• work with the Derby database and Java database connectivity or JDBC
• describe the benefits of a properties file and how to load and use properties files for Java applications
• describe resource bundles
• describe how to apply local formats to date and currency values in Java
• learn how to implement inheritance, interfaces, handle exceptions, and deploy a Java application

TestPrep 1Z0-809 Java SE 8 Programmer II