1. Fundamentals of Classes ClassName obj = new ClassName(); class Car { void start() { System.out.println(“Car started”); } } 2. Abstraction and Encapsulation private int speed; public void setSpeed(int s) { speed = s; } 3. Constructors class Car { int speed; Car() { speed = 0; } …
1. Java Tokens 2. Primitive Data Types Type Size Default Value Example byte 8-bit 0 10 short 16-bit 0 1000 int 32-bit 0 5000 long 64-bit 0L 100000L float 32-bit 0.0f 3.14f double 64-bit 0.0 3.1415 char 16-bit \u0000 ‘A’ boolean 1-bit false true 3. Variables and Constants 4. Command-Line Arguments public static void main(String[]…
1. Definition of Java 2. History of Java 3. Java in IT and Internet 4. Java Features 5. Java vs. Other Programming Paradigms Feature Procedure-Oriented (C) Java (OOP) Approach Function-based Object-based Reusability Low High Data Hiding No Yes (Encapsulation) Modularity Function-level Class-level Maintenance Difficult Easier 6. Java Program Execution Example: public class HelloWorld { public…