1ZO-819

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1ZO-819

Localization

Implement Localization using Locale, resource bundles, and Java APIs to parse and format messages, dates, and numbers

Working with Streams ans Lambda Expressions

Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams

Use Java Streams to filter, transform and process data

Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package

Exception Handling

Create and use custom exceptions

Handle exceptions using try/catch/finally clauses, try-with-resource, and multi-catch statements

Working with Arrays and Collections

Sort collections and arrays using Comparator and Comparable interfaces

Use a Java array and List ,SET,Map and Deque Collections, including convenience methods

Use generics, including wildcards

Annotations

Create, apply, and process annotations

Java I/O API

Handle file system objects using java.nio.file API

Implement serialization and deserialization techniques on java objects

Read and write console and file data using I/O Streams

Working with Java Data Types

Use local variable type inference, including as lambda parameters

Handle text using String and StringBuilder/StringBuffer Classes

Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting

Secure Coding in Java SE Application

Secure resource access including filesystems, manage policies and execute privileged code

Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity

Concurrency

Develop thread-safe code, using different locking mechanisms and java.util.concurrent API

Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API

Program Flow Control

Create and use loops, if/else, and switch statements

DataBase Applications with JDBC

Connect to and perform database SQL operations, process query results using JDBC API

Java Object Oriented Approach

create and use enumerations

Create and us interfaces, identify functional interfaces , and utilize private , static and default methods

Utilize polymorphism and casting to call methods, differentiate object type versus reference type

Create and use subclasses and superclasses , including abstract classes

Understand variable scopes, apply encapsulation and make objects immutable

Ininisialize objects and there members using instance and static initialiser statements and constructors.(remember forward referencing)

Define and use fields and methods, include instance,static and overloaded methods

Explain object's lifecycle(including creation , dereferencing by reassignlent, and garbage collection)

Declare and instantiate Java objects including nested class objects

Java Platform Module System

Declare , use and expose modules , including the use of services

Deploy and execute modular applications , including automatique modules