Core Java
CloudLabs
Projects
Assignment
24x7 Support
Lifetime Access
.
Course Overview
What is Core Java : “Core Java” is Sun’s term, used to refer to Java SE, the standard edition and a set of related technologies, like the Java VM, CORBA, et cetera. This is mostly to differentiate from, say, Java ME or Java EE.
At the end of the training, participants will be able to:
Pre-requisite
None
Duarion
5 days
Course Outline
- Introduction to Java; features of Java
- Comparison with C and C++
- Download and install JDK/JRE (Environment variables set up)
- The JDK Directory Structure
- First Java Program through command prompt
- First Java Program through Eclipse
- Primitive Datatypes, Declarations, Ranges
- Variable Names Conventions
- Numeric Literals, Character Literals
- String Literals
- Arrays(One dimensional; two- dimensional)
- Array of Object References
- Accessing arrays, manipulating arrays
- Enumerated Data Types
- Non-Primitive Datatypes
- Defining a class, variable and method in Java
- Method Signature; method calls
- Expressions in Java; introduction to various operators
- Assignment Operator
- Arithmetic Operators
- Relational Operators
- Logical Operators
- Conditional Operators
- Operator Precedence
- Implicit Type Conversions
- Upcasting and downcasting
- Strict typing
- Type conversion
- Statements and it’s various categories in Java
- if, if-else, if-else-if
- switch case
- for statement (both flavours traditional and enhanced for)
- while and do-while loops
- The continue Statement; labelled continue statement
- The break Statement; labelled break statement
- return statement
- Classes and Objects
- Defining a class;Defining instance variables and methods
- Creating objects out of a class
- Method calls via object references
- Abstraction
- Interfaces and Abstract classes
- Abstract and non-abstract methods
- Inheritance
- extends and implements keywords in Java
- Super class and Sub class
- this keyword, super keyword in Java for inheritance
- Concrete classes in Java
- Polymorphism
- Compile time polymorphism — Overloading of methods
- Run time polymorphism — Overriding of methods
- Method Overriding rules and method overloading rules
- Introduction to Object class and it’s methods
- Encapsulation
- Protection of data
- Java Bean, POJO
- Getters/Setters
- Memory management in Java
- Heap
- Stack
- Need for packages
- What are packages; package declaration in Java
- Import statement in Java
- How do packages resolve name clashes?
- Var-Args
- Reference variables, local variables, instance variables
- Memory allocations to variables
- Double equals operator(==) operator for primitives and objects
- toString() method on an object
- Static variables and methods
- Static imports
- Static initialization blocks; instance intialization blocks
- Static concept in inheritance
- What are Constructors?
- Properties of Constructors
- Default and Parameterized Constructors
- Rules for constructor implementation
- Constructor Chaining
- this call; super call for constructors
- Constructors for Enumerated Data Types
- Constructors concept for Abstract classes and interfaces
- What are Exceptions?
- Need for exceptions
- How can Exceptions be coded in Java?
- API heirarchy for Exceptions
- Types of Exceptions
- Keywords in Exception API: try, catch, finally, throw, throws
- Rules for coding Exceptions
- Declaring Exceptions
- Defining and Throwing Exceptions
- Errors and Runtime Exceptions
- Custom Exception
- Assertions
- What are Assertions?
- Enabling and disabling assertions in development environment
- What are Strings?
- String heap memory and Constant Pool memory
- Immutability in Strings
- String creation on heap and constant pool
- Method APIs on String; operations on Strings
- Mutability of String Objects – StringBuilder and StringBuffer
- Splitting of Strings and StringTokenizer class
- The Collections Framework
- The Set Interface
- Set Implementation Classes
- The List Interface
- List Implementation Classes
- The Map Interface
- Map Implementation Classes
- Queue Interface
- Queue Implmentation classes
- Utility classes
- Sorting collections using utility methods
- equals() and hashCode contract in Java collections
- overriding equals and hashCode methods in Java
- New Collections added in Java 1.6
- Primitive wrapper classes and all its method APIs
- Generics for Collections
- Generics for class
- Generics for methods
- What is a stream?
- Overview of Streams
- Bytes vs. Characters
- Overview of the entire Java IO API
- Reading a file; writing to a file usinf various APIs
- Reading User input from console
- PrintWriter Class
- Object Serialization
- Serializable Interface
- Serialization API
- ObjectInputStream and ObjectOutput
- Transient Fields
- readObject and writeObject
- Inner Classes
- Member Classes
- Local Classes
- Anonymous Classes
- Static Nested Classes
- Non-Threaded Applications
- Threaded Applications
- Process based multitasking Vs Thread based multitasking
- Thread API in Java
- Creating Threads
- States of a Thread
- Sychronization for threads; static and non-static synchronized methods; blocks; concept of object and class locks
- Coordination between threads – wait, notify and notifyAll methods for inter-thread communication
- What are applets?
- Need for Applets
- Different ways of running an applet program
- Applet API heirarchy
- Life Cycle of an applet
- Even Handlers for applets, mouse events, click events
- Introduction to AWT
- Introduction to Swing GUI
- Advantages of Swing over AWT
- Swing API
- Swing GUI Components
- Event Handlers for Swing
- Sample Calculator application using Swing GUI and Swing Event handling
- What is JDBC; introduction
- JDBC features
- JDBC Drivers
- Setting up a database annd cretaing a schema
- Writing JDBC code to connect to DB
- CRUD Operations with JDBC
- Statement types in JDBC
- Types of Rowset, ResultSet in JDBC
- What are access modifiers?
- Default
- Protected
- Private
- Public
Accordion Content
Reviews
"The corporate training provided by Greater Insights was truly exceptional. The trainers were highly knowledgeable and engaging, making the sessions both informative and enjoyable. I gained valuable insights and practical skills that I immediately applied in my work. I highly recommend Greater Insights for their professionalism and expertise."
Rahul NiraniaSamsung
"As a participant of the corporate training program organized by Greater Insights, I was thoroughly impressed with the level of customization they offered. They took the time to understand our specific needs and tailored the training accordingly. The trainers were fantastic, and the interactive sessions fostered an environment of active learning. I am grateful for the valuable knowledge and skills I acquired."
Bhawna TiwariSamsung
"I cannot express enough gratitude to Greater Insights for the outstanding corporate training they provided. The trainers were not only experts in their respective fields but also incredible communicators. They created a dynamic and collaborative learning environment, which allowed us to learn from one another. The training surpassed my expectations, and I would eagerly participate in any future programs they offer."
Ashutosh SinghSamsung
"Attending the corporate training sessions organized by Greater Insights was a game-changer for me. The trainers were not only experienced professionals but also inspiring mentors. They equipped me with practical tools and strategies that have significantly enhanced my productivity and efficiency at work. I wholeheartedly recommend Greater Insights to anyone looking to excel in their professional endeavors."
Somashekar MuniyappaInfogain
"The corporate training program offered by Greater Insights was an enlightening experience. The trainers had a deep understanding of the subject matter and were able to break down complex concepts into easily digestible information. The interactive activities and case studies made the training engaging and relevant to our day-to-day work challenges. This training has undoubtedly boosted my confidence and competence."
Amresh DiwanInfogain
"I had the privilege of participating in a corporate training program organized by Greater Insights, and I must say it was a transformative experience. The trainers' expertise and passion for their subjects were evident in every session. The training materials provided were comprehensive and well-structured, enabling us to grasp the content effectively. I am grateful for the valuable skills I acquired, which have greatly contributed to my professional growth."
Namratha BabuTorry Harris
"The corporate training sessions conducted by Greater Insights were simply outstanding. The trainers went above and beyond to ensure that we understood the concepts thoroughly. The interactive nature of the sessions encouraged active participation and enhanced our learning experience. I am truly grateful for the practical strategies and techniques I learned, which have had a positive impact on my work performance."
Rahul BhashyamTorry Harris
"Participating in the corporate training program organized by Greater Insights was an enlightening experience. The trainers were not only knowledgeable but also skilled at delivering the content in an engaging manner. The training materials were well-designed, and the real-life examples provided valuable insights. I am confident that the knowledge and skills I gained will significantly contribute to my professional growth."
Deepti JainTorry Harris
"I can confidently say that the corporate training provided by Greater Insights was top-notch. The trainers were highly experienced and had a knack for simplifying complex concepts. The training sessions were interactive and encouraged open discussions, which fostered a collaborative learning environment. The practical skills I acquired during the training have proven to be invaluable in my day-to-day work."
HARSHAL TRIVEDIL&T TS
"Greater Insights exceeded my expectations with their corporate training program. The trainers were not only experts in their fields but also exceptional communicators. They effortlessly connected with the participants and ensured everyone's active involvement. The training content was comprehensive and provided a solid foundation for professional growth. I am grateful for the opportunity to learn from such seasoned professionals."
Namrata PillayL&T TS
"The corporate training facilitated by Greater Insights was exceptional in every aspect. The trainers were engaging and created a positive and inclusive learning environment. The training materials were well-structured and easy to follow, making the learning process enjoyable. The practical exercises and case studies allowed me to apply the knowledge immediately, resulting in improved job performance. I highly recommend Greater Insights for their commitment to excellence."
Sandhya M SanuHoneywell
"I recently attended a corporate training program organized by Greater Insights, and I am incredibly impressed. The trainers were not only knowledgeable but also highly skilled at delivering the content in a relatable manner. The training sessions were interactive and encouraged open dialogue, which made the learning experience engaging and dynamic. The practical skills I gained have already made a significant impact on my professional growth."
Neha SahayHoneywell
"I had the privilege of participating in a corporate training program conducted by Greater Insights, and it was truly transformative. The trainers were passionate and dedicated professionals who took the time to address our individual needs. The training sessions were interactive and encouraged active participation, allowing us to learn from one another's experiences. I am grateful for the knowledge and skills I acquired, which have undoubtedly propelled my career forward."
Abishek KalliparambilAllianz
"The corporate training program offered by Greater Insights was a remarkable experience. The trainers had a wealth of knowledge and were adept at imparting it effectively. The training materials were comprehensive and provided valuable resources for further exploration. The interactive activities and practical exercises helped me internalize the concepts and apply them in real-world scenarios. This training has been instrumental in my professional development."
Kishor KumarITC Infotech
"I cannot thank Greater Insights enough for the incredible corporate training they provided. The trainers were not only subject matter experts but also skilled at creating a positive and inclusive learning environment. The training sessions were well-structured, and the trainers ensured that we understood the content thoroughly. I am grateful for the valuable insights and skills I gained, which have already made a noticeable difference in my professional life."
Anitha PrashanthIndegene
Previous
Next