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Java Programming for Beginners

Learn core Java and object-oriented programming with clear examples and small console projects

Ghosla Academy · Coding Team

Java is still one of the most used languages in Indian IT companies and university syllabi. This course builds strong fundamentals with simple, well-explained programs and lots of practice. You will move from basic syntax to object-oriented design and collections, finishing with small console applications that tie everything together.

What you will be able to do

  • Install JDK and write, compile and run Java programs
  • Use variables, operators, conditions and loops correctly
  • Apply OOP: classes, objects, inheritance, polymorphism and interfaces
  • Work with arrays, strings and the Collections framework
  • Handle exceptions and read and write files
  • Prepare for Java questions in college exams and fresher interviews

What you build

  • Student marks report generator
  • Library management console app
  • Bank account simulator with exceptions

What you need to start

  • A laptop with internet
  • No programming experience required

Curriculum · 7 sections, 27 lectures

Getting started4 lectures
  1. Why learn JavaFree preview8 min
  2. Installing JDK and IntelliJFree preview12 min
  3. Your first program explained line by line10 min
  4. Quiz: Java basics5 min
Core syntax5 lectures
  1. Variables and data types14 min
  2. Operators and expressions12 min
  3. if, else and switch14 min
  4. Loops: for, while, do-while15 min
  5. Practice: marks report generator15 min
Methods and arrays3 lectures
  1. Writing and calling methods14 min
  2. Arrays and 2D arrays14 min
  3. String and StringBuilder12 min
Object-oriented programming5 lectures
  1. Classes, objects and constructors15 min
  2. Encapsulation and access modifiers15 min
  3. Inheritance and method overriding15 min
  4. Abstract classes and interfaces14 min
  5. Quiz: OOP concepts6 min
Collections4 lectures
  1. ArrayList and LinkedList14 min
  2. HashMap and HashSet14 min
  3. Sorting with Comparable and Comparator12 min
  4. Project: library management app20 min
Exceptions and files3 lectures
  1. try, catch, finally and custom exceptions14 min
  2. Reading and writing files12 min
  3. Project: bank account simulator20 min
Interview preparation3 lectures
  1. Top Java concepts asked to freshers12 min
  2. OOP and collections revision notes10 min
  3. Final quiz6 min

Who this is for

  • First-year engineering and BCA students
  • School students in Class 11/12 with computer science
  • Freshers preparing for Java developer interviews