Online Course
Core Java and Collections
Free Course

Course Features

  • Extremely beginner-friendly

  • Lifetime access to the Course

  • Track-based learning

  • Contests for practice

  • Premium Lecture videos by industry experts

  • Internship Opportunities at GeeksforGeeks

Course Overview

This 5-week course will be covering the basics of core Java and collections where you will be made to understand thoroughly with our state of the art video explanations. Here you will be introduced to Programming and Java, gradually move on to Functions, Patterns, and Loops and reach the initial section of Java Collections. You will have numerous practice questions and tracks as well so you can practice as you study!

Through this beginner-level course, you will have understood the basics of Java and Java Collections which will help you to further understand advanced Java.

Starting from 16th February
Live sessions are scheduled on our official youtube channel for every Tuesday, Wednesday 07 PM - 08 PM (IST)

Course Content

  • Why Programming?
  • About machines 
  • Java introduction 
  • Java platform independence 
  • Advantages of java over other languages
  • Data types 
  • Variables
  • Hello world Program
  • Binary number system
  • How numbers are stored inside the memory
  • How characters are stored
  • Type casting
  • Operators
  • Conditional Statements 
  • Questions on conditional statements
  • Loops
  • Scope
  • Loop Control Statements (break and continue)
  • Questions on Conditional Statements and Loops
  • Pattern introduction 
  • Square pattern
  • Questions on patterns 
  • Triangular patterns
  • Introduction to functions
  • Applications of functions
  • Return type of functions
  • Function overloading
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  1. Is there any number to contact for any query?
    You may call us on our toll-free number: 1800 123 8622  or Drop us an email at​​​
  2. Do we have doubt support in this program?
    No, This program doesn't have doubt-solving support.

  3. How can I register for the course?
    You need to sign up for the course. After signing up, you can directly access the course content.

  4. Will the course content be available after the course end date?
    Course content comes with lifetime validity.

  5. What should I do if I can't access the payment portal?
    Mail us with your details at

Course Registration

Batch Date Type Register
CJ&C 10 February '21 to 04 February '23 Online Classes