Java Syllabus

//Java operators are symbols used to perform operaiton on variables and valus


class OperatorDemo{

   public static void main(String[] args){
   int a=10, b=5, c=0;
   //Arithmetic OperatorDemo
   //c=a+b;
   System.out.println("Addition:"+(a+b));
   System.out.println("Substraction:"+(a-b));
   System.out.println("Multipliction:"+(a*b));
   System.out.println("Division:"+(a/b));
   System.out.println("Modulus:"+(a%b));
   
   //Relational Operator
   //System.out.println("a>b:"+(a>b));
   //System.out.println("a<b:"+(a<b));
   //System.out.println("a>=b:"+(a>=b));
   //System.out.println("a<=b:"+(a<=b));
   //System.out.println("a==b:"+(a==b));
   //System.out.println("a!=b:"+(a!=b));
   
   //logical operators
   boolean x=true, y=false;
   //System.out.println("x&&y:"+(x&&y)); 
   //System.out.println("x||y:"+(x||y));
   //System.out.println("!x:"+(!x));  

       //Bitwise Operator
       System.out.println("a&b:"+(a&b));
   System.out.println("a|b:"+(a|b));
   System.out.println("a^b:"+(a^b));
   
   //Assignment Operator
        c=a+b;
System.out.println("c=a+b:"+c);
c += a; //c=c+a
System.out.println("c += a:"+c);
//Unary Operator
int k=5;
System.out.println("k++:"+(k++)); // 5
System.out.println("k:"+(k));  // 6
System.out.println("k:"+(k)); // 6
System.out.println("++k:"+(++k)); //7
System.out.println("k--:"+(k--)); // 7
System.out.println("k:"+(k));  // 6
System.out.println("--k:"+(--k)); //5
//ternary opr
int max=(a>b)?a:b;
System.out.println("max of a and b:"+max);
   
   }



}


 

Module 1: Java Basics

  • What is Java? Platform independence

  • JVM, JRE, JDK

  • Installing Java and setting up environment

  • Writing your first Java program

  • Compilation and execution (javac and java)

📘 Module 2: Data Types and Operators

  • Primitive data types

  • Variables and constants

  • Type casting

  • Arithmetic, relational, logical, bitwise, assignment, unary operators

  • Operator precedence

📘 Module 3: Control Flow

  • if, else, else if

  • switch-case

  • Loops: for, while, do-while

  • break, continue

📘 Module 4: Arrays and Strings

  • One-dimensional and multi-dimensional arrays

  • String class and methods

  • StringBuilder, StringBuffer

📘 Module 5: Object-Oriented Programming (OOP)

  • Classes and Objects

  • Constructors (default, parameterized)

  • this keyword

  • Inheritance

  • Method Overloading and Overriding

  • super keyword

  • final keyword

  • Encapsulation (getters/setters)

  • Abstraction (abstract class, interface)

  • Polymorphism (compile-time and runtime)

📘 Module 6: Access Modifiers and Packages

  • Public, private, protected, default

  • Creating and using packages

  • import keyword

  • Static imports

📘 Module 7: Exception Handling

  • Types of exceptions: Checked vs Unchecked

  • Try-catch block

  • finally block

  • throw and throws

  • Custom exceptions

📘 Module 8: Collections Framework

  • List: ArrayList, LinkedList

  • Set: HashSet, TreeSet

  • Map: HashMap, TreeMap

  • Iterating with for, Iterator, forEach

📘 Module 9: File Handling (I/O)

  • Reading and writing files using:

    • FileReader, FileWriter

    • BufferedReader, BufferedWriter

    • Scanner, PrintWriter

    • ObjectInputStream, ObjectOutputStream

📘 Module 10: Java 8+ Features

  • Lambda expressions

  • Functional interfaces

  • Stream API

  • Method references

  • Optional class

  • Date & Time API

📘 Module 11: Multithreading and Concurrency

  • Threads: Thread, Runnable

  • Thread lifecycle

  • synchronized, wait(), notify()

  • Thread pools (ExecutorService)

  • Deadlocks and race conditions

📘 Module 12: JDBC (Java Database Connectivity)

  • Connecting to MySQL/Oracle

  • CRUD operations using JDBC

  • PreparedStatement

  • Transactions

📘 Module 13: Basic Spring Boot (Optional but Highly Recommended)

  • What is Spring Boot?

  • Creating Spring Boot project using Spring Initializr

  • REST APIs using @RestController

  • @Autowired, Dependency Injection

  • Application properties / YAML

  • Connecting to database using Spring Data JPA

✅ Bonus Topics

  • Maven / Gradle (build tools)

  • Unit Testing with JUnit

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