Core Java Zero to Mastery

About Course

Fast-track your IT career. Master the most demanding programming language. Build a strong foundation in OOPs, Collections, Multithreading, and Backend Architecture. We provide 100% Placement Assistance.

Understand the fundamentals of Java programming from scratch
Learn core concepts like variables, data types, operators, and control statements
Master object-oriented programming (OOP) concepts (classes, objects, inheritance, polymorphism, encapsulation, abstraction)
Work with loops, arrays, and strings effectively
Handle errors using exception handling techniques
Understand methods, functions, and code reusability
Learn basic file handling in Java
Write clean, structured, and efficient Java programs
Solve real-world problems using Java logic
Build a strong foundation for advanced topics like Spring Boot, Android, and backend development

Course Content

Java Basics & Environment Setup

JDK, JRE, JVM Architecture & Eclipse/IntelliJ Setup
Writing the first Hello World program
Java Variables, Data Types, and Type Casting
Operators (Arithmetic, Relational, Logical, Assignment)
Java Naming Conventions and Best Practices

Control Flow Statements

OOPs Concepts – Part I

OOPs Concepts – Part II

Strings & Arrays Mastery

Exception Handling

Multithreading & Concurrency

Collections Framework

File Handling & Serialization

JDBC & Real-time Mini Project

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About Course

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Course Content

Java Basics & Environment Setup

JDK, JRE, JVM Architecture & Eclipse/IntelliJ Setup

Writing the first Hello World program

Java Variables, Data Types, and Type Casting

Operators (Arithmetic, Relational, Logical, Assignment)

Java Naming Conventions and Best Practices

Control Flow Statements

Decision Making: if, if-else, nested if, switch-case

Looping Concepts: for loop, while loop, do-while loop

Break and Continue statements

Star Pattern programs and logical coding questions

Reading user input using Scanner class

OOPs Concepts – Part I

Understanding Classes and Objects in Real World

Object memory allocation and Garbage Collection

Methods, Parameters, and Return types

Constructors (Default & Parameterized) & ‘this’ keyword

Static keyword (variables, methods, blocks)

OOPs Concepts – Part II

Inheritance (Single, Multilevel, Hierarchical) & ‘super’ keyword

Polymorphism: Method Overloading & Overriding

Encapsulation, Access Modifiers, Getters and Setters

Abstraction: Abstract Classes and Methods

Interfaces and Multiple Inheritance in Java

Strings & Arrays Mastery

Understanding String Immutable Nature & String Pool

String Methods (split, substring, replace, etc.)

StringBuilder and StringBuffer

1D and 2D Arrays manipulation and iteration

Arrays class utility methods and sorting algorithms

Exception Handling

Errors vs Exceptions & Exception Hierarchy

Checked vs Unchecked Exceptions

try, catch, finally block mechanisms

throw and throws keywords explained

Creating Custom (User-defined) Exceptions

Multithreading & Concurrency

Multiprocessing vs Multithreading concepts

Creating threads: Thread class vs Runnable interface

Life cycle of a Thread (New, Runnable, Running, Dead)

Thread priorities, sleep, join, and yield methods

Thread Synchronization and Inter-thread communication

Collections Framework

Introduction to Generics & Collections Hierarchy

List Interface: ArrayList, LinkedList, Vector, Stack

Set Interface: HashSet, LinkedHashSet, TreeSet

Map Interface: HashMap, TreeMap, LinkedHashMap, HashTable

Iterators vs ListIterators vs Enumerable

File Handling & Serialization

Introduction to Byte streams vs Character streams

FileInputStream / FileOutputStream operations

BufferedReader / BufferedWriter usage

Serialization and Deserialization of objects

transient keyword utility in Data Security

JDBC & Real-time Mini Project

Understanding JDBC Architecture and Drivers

Connecting Java to MySQL / Oracle databases

Executing CRUD Operations (Create, Read, Update, Delete)

Statement, PreparedStatement and ResultSet interfaces

Developing a robust console-based Mini Project

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