Reviews 4.9 (4.6k+)
Rated 4.7 out of 5
Core JAVA Online Certification Training
One of the top providers of online IT training worldwide is VISWA Online Trainings. To assist beginners and working professionals in achieving their career objectives and taking advantage of our best services, We provide a wide range of courses and online training.
About Course
🌐 What Is Core Java?
Core Java is the foundation of the Java programming language, used to build robust, secure, and platform-independent applications. It provides the essential concepts of object-oriented programming (OOP), making it a cornerstone for developing enterprise, web, and mobile applications.
Core Java covers fundamental programming principles, data handling, exception management, multithreading, and collections — serving as the backbone for advanced frameworks like Spring, Hibernate, and Java EE. It’s an essential skill for Software Developers, Test Automation Engineers, and Application Architects.
Core Capabilities Include:
- Object-Oriented Programming: Understand inheritance, polymorphism, abstraction, and encapsulation.
- Data Handling: Work with strings, arrays, and collections for efficient data management.
- Exception Handling: Write robust code with proper error and exception management.
- Multithreading: Build efficient applications with concurrent task execution.
- File I/O and Serialization: Manage files and persist data effectively.
- JDBC: Connect and interact with databases.Memory Management: Optimize application performance using garbage collection and JVM concepts.
📊 Course Features Typically Included
Top online training platforms (like Viswa Online Trainings, Udemy, Coursera, and Edureka) offer the following features for Core Java Training:
✅ Live instructor-led sessions and recorded tutorials
✅ Hands-on coding exercises and assignments
✅ Real-world mini projects for application development
✅ Certification and interview preparation support
✅ Lifetime access to learning materials and source code examples
✅ Step-by-step guidance for Java setup, syntax, and debugging practices
🎓 Key Learning Outcomes
After completing the core Java Training, learners will be able to:
- Understand Java architecture, JDK, JRE, and JVM
- Write clean, optimized, and modular Java programs
- Apply OOP principles to design reusable code structures
- Use Collections, Generics, and Exception Handling effectively
- Implement Multithreading and Synchronization for parallel processing
- Connect to databases using JDBC
- Handle files, I/O streams, and data serialization
- Build console-based and modular Java applications
Roles Prepared For:
- Java Developer
- Software Engineer
- Automation Test Engineer (Java-based tools like Selenium)
- Backend Develope
- Application Support Engineer
📍 Bonus: Certification Tracks
Learners can pursue globally recognized certifications such as:
- 🏅 Oracle Certified Java Programmer (OCPJP)
- 🏅 Oracle Certified Associate (OCA) – Java SE
- 🏅 Viswa Online Trainings – Core Java Professional Certification
Core JAVA Training Course Syllabus
Core JAVA Environment
- Installation
- JAVA Program Development
- JAVA Source File Structure
- Compilation & Executions
- Eclipse Tool Usage
Basic Language Elements
- Tokens, Identifiers, Keywords, Literals, Comments, Primitive Data types
- Operators
- Condition Statements
- Control Statements
- Arrays
- Command-line Arguments
Object-Oriented Programming
- OOPS, Fundamentals.
- Class & Object
- Function Models
- Array of Objects
- Static Members
- Encapsulation
- Constructors, Parameterized Constructors, Constructor Overloading
- Method Overloading
- Access Specifiers & Access Modifiers.
- Design of Accessor and Mutator Methods.
- Inheritance
- Types of Inheritance
- Method Overriding,
- Super keyword
- Polymorphism
- Abstract Class
- Interfaces
- Objects Cloning
- Singleton class
Wrapper Classes
- String Handling
- String
- StringBuffer
- StringBuilder
Packages In Core JAVA
- Organizing Classes and Interfaces in Packages
- Introduction to all pre-defined Packages
- Defining Package
- Making JAR Files for Library Packages
- Import and Static Import
Exception Handling
- Exceptions & Errors
- Types of Exception
- Control Flow In Exceptions
- Use of try, catch, finally, throw, and throws in Exception Handling
- In-built and User-Defined Exceptions
- Checked and Un-Checked Exceptions
Inner Classes
- Introduction
- Member Inner Class
- Static Inner Class
- Local Inner Class
- Anonymous Inner Class
Multi-Threading
- Understanding Threads,
- Needs of Multi-threaded Programming
- Thread Life-Cycle
- Multiple Threads in a program
- Thread Priorities
- Synchronizing Threads
Input/Output Operation in Java(java.io Package)
- Streams and the new I/O Capabilities
- Understanding Streams
- The Classes for Input and Output
- The Standard Streams
- File
- FileReader
- FileWriter
- FileOutputStream
- FileInputStream
- BufferredInputStream
- BufferredOutputStream
- DataInputStream
- DataOutputStream
- SequenceInputStream
- ObjectInputStream
- ObjectOutputStream
- Working with File Object
- File I/O Basics
- Reading and Writing to Files
- Serialization & Deserialization
Core JAVA Course Key Features
- Live Instructor based training with software
- Certification Oriented content
- Hands-on complete Realtime training
- Flexible schedule demo's & classes
- Live recorded videos access
- Study material provided
- JOB Assistance
Course completion certificate
Core JAVA Training - Upcoming Batches
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CHOOSE YOUR OWN COMFORTABLE LEARNING EXPERIENCE
Live Virtual Training
- Schedule your sessions at your comfortable with timings
- Instructor-Led training real time projects
- Certification Guidance
PREFERRED
Self-Paced Learning
- Complete set of live-online training session recorded videos.
- Learn technology at your own pace.
- Get access for lifetime.
Corporate Training
- Learn as a full day schedule with discussions, exercises.
- Practical use cases.
- Design your own syllabus based
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Core JAVA Online Training FAQ'S
What is Core Java?
Core Java refers to the basic features of Java SE (Standard Edition), focusing on OOP principles, data structures, and essential libraries for application development.
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What is JVM and why is it important?
The JVM translates Java bytecode into machine code, making Java platform-independent and enabling the “write once, run anywhere” feature.
Differentiate between JDK, JRE, and JVM.
- JDK includes tools for development and compilation.
- JRE provides the libraries and runtime for execution.
- JVM is the engine that runs Java applications.
Explain the OOP principles in Java.
Java uses Encapsulation (data hiding), Inheritance (reusing code), Polymorphism (method overloading/overriding), and Abstraction (hiding implementation details) to build modular programs.
Array vs ArrayList – what’s the difference?
Arrays are static in size and store homogeneous data, while ArrayLists are dynamic, offering more flexibility and utility methods from the Collections API.
Reviews
syed sayyad
Trustindex verifies that the original source of the review is Google. Nice place to learn with commitment and extra sessions to learn advance topics.
Jatoth Laxman
Trustindex verifies that the original source of the review is Google. Very nice 😊 satisfied
PAVAN KUMAR
Trustindex verifies that the original source of the review is Google. The training was very well-structured and easy to follow. The progression from foundational topics to advanced concepts made the learning experience smooth and engaging.
venkataramanareddy beeram
Trustindex verifies that the original source of the review is Google. Very good for people who is going to enchance cloud technology
Vishwa Teja
Trustindex verifies that the original source of the review is Google. Really good consultancy with a friendly and supportive team. They guide you at every step and keep you updated, which makes the whole process smooth. Definitely recommend for freshers and job seekers.
Jayasimhareddy Chamala
Trustindex verifies that the original source of the review is Google. My trainer RAVI was excellent in delivering SAP Analytics Cloud (SAC) training. The sessions were clear and informative, and the overall training experience was very good. The only suggestion I have is that more hands-on practice would help students understand the subject even better. I truly appreciate her honesty and support, especially in handling the server issues during the course. Anyone looking to learn SAC can confidently trust and enroll in this training.
Vanama jithendra
Trustindex verifies that the original source of the review is Google. I recently completed my course in VISWA online trainings it is a good experience for me basically my college faculty don't clarify my doughts but they clearly gave clear explanations for all my doughts with patience. Thank you VISWA for improving my skills ❣️
Siddhartha Mothukuri
Trustindex verifies that the original source of the review is Google. Learnt SAP EWM and it has been a really good experience with VISWA Online Trainings and trainer has been excellent in terms of his understanding in business as well as SAP. Thank you
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