JAVA SE (Core Java) Course Details

Java Language Fundamentals

• Editions of Java
• Features of Java
• Hello World program in Java
• Using JAVAC to compile and run Java program
• Data types and control structures
• Enhancements of switch in Java 12
• Local variable type inference
• Using printf() method and Scanner class
• The switch expression
• Working with Arrays
• Varying Arguments
• Command line arguments
• Working with jShell

Object Oriented Programming

• What is OOP - encapsulation, inheritance, and polymorphism
• How to create a class and instantiate objects
• Using Constructors
• Method overloading and constructor overloading
• Object reference and this reference
• Static variables and static methods
• Final variables
• Inheritance
• Using super keyword
• Dynamic Method Dispatch - late binding
• Abstract method and class
• Final variable, method and class
• Sealed classes
• Records

Using Java Library

• String, StringBuffer classes
• Compact string
• Math class
• How Java deals with Objects and Primitive types
• Object class - why to override toString(), equals() and hashCode() methods
• Wrapper classes - Autoboxing and autounboxing
• Date, Calendar, DateFormat classes
• LocalDate, LocalTime, DateTimeFormatter, ChronoUnit etc.

Interfaces

• What is an interface
• Implementing an interface
• Default Methods and Static methods in Interface
• Inheritance and interfaces
• Private methods in interface

Packages

• What is a package and how to create it
• Using package, import statement and CLASSPATH variable
• Access modifiers
• Static imports
• Enumeration

Exception Handling

• How to handle exceptions in Java - try and catch blocks
• Understanding exception classes hierarchy
• The finally block
• Creating user-defined exceptions
• Using throws and throw keywords

Multithreading

• What is Multithreading?
• Creating new thread using subclass of Thread class
• Creating new thread using Runnable interface
• Methods of Thread class
• Life cycle of a thread
• Synchronization of threads - using synchronized methods and block

IO Streams

• What is an IO stream
• Character and byte streams
• FileReader and FileWriter
• Using try with resources - ARM
• Filtered Streams
• BufferedReader to read one complete line
• Using InputStreamReader to convert byte stream to char stream
• Reading data from keyboard (System.in)
• Using RandomAccessFile class
• Using PrintWriter class
• Using File class
• NIO - Files, Path and Paths
• Serialization

Network Programming

• Creating Server and Client Sockets
• How to use URL class to access Internet

Collections Framework and Regular Expressions

• Collection, List, Set and SortedSet interfaces
• How to use Generics
• ArrayList, Vector, HashSet, TreeSet classes
• How to use Comparator interface
• Queue interface and LinkedList class
• Map and SortedMap interfaces
• HashMap and TreeMap classes
• Using Collections class
• Using factory methods
• What is Regular Expression
• Using Pattern and Matcher classes

Lambda Expressions and Streams

• What is a lambda expression
• Method reference
• Using built-in functional interfaces
• What is a stream?
• How to get a stream from Collection, File, Array etc.
• Using methods of Stream
• Terminal and non-terminal operations on streams