SeriesOngoing8 chapters52 min total

Java Tutorial for Beginners: Learn Java Programming Step by Step

Learn Java programming step by step with our comprehensive Java tutorial series for beginners. Explore Core Java concepts, variables, data types, operators, control statements, loops, arrays, object-oriented programming (OOP), exception handling, collections, and more with practical examples and easy-to-understand explanations. Build a strong foundation in Java programming and prepare for coding interviews with Revquix.

RPBy Rohit Parihar
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8 chapters

In this series

  1. Getting Started with Java: Your First Program Explained

    1. What is a program? A computer is extremely fast and extremely obedient, but it has no common sense. It does exactly what it is told, step by step. A program is a list of precise instructions that tells the computer...

    9 min read

  2. Understanding Java Program Execution: Output, Comments & JVM Basics

    1. A program that says more From now on, every example sits inside the frame from Session 1. Here's a program with several output lines: public class Intro { public static void main(String[] args) {...

    3 min read

  3. Understanding Variables and Primitive Data Types in Java

    1. Why variables? So far our programs only print fixed text. Real programs need to remember things: a user's age, a bank balance, a score. A variable is a named storage location in memory (RAM) that holds a value....

    6 min read

  4. Mastering Operators in Java: Arithmetic, Logical & Relational

    1. Arithmetic operators Operator Meaning Example Result + Add 7 + 2 9 - Subtract 7 - 2 5 * Multiply 7 * 2 14 / Divide 7 / 2 3 (not 3.5!) % Remainder (modulus) 7 % 2 1 Integer division: the number-one surprise When both...

    7 min read

  5. Mastering Type Casting and Type Conversion in Java

    1. Widening: automatic and safe Putting a value from a smaller box into a bigger box is always safe, so Java does it automatically. This is called widening (or implicit conversion). Widening happens automatically along...

    8 min read

  6. Taking input from the user

    🎯 By the end of this session, the candidate can Read text from the keyboard. Convert text input into numbers. Structure a program as input → process → output. Read a crash message and find the problem line. 1. Programs...

    5 min read

  7. Decisions with if, else and switch

    Recap question: What does Integer.parseInt do, and what happens if the text isn't a number? 1. The if statement Until now every line ran everytime. if runs a block only when the condition is true: import...

    5 min read

  8. Understanding Loops and Loop Control Statements in Java

    Why loops ? Print “Rohit“ 5 times? You could copy the 5 times. 1,000 times? A loops runs the same block again and again while a condition stays true. 2. The while loop public class Main { public static void main(String[]...

    9 min read

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