L4: Data Types in Java | Primitive & Non-Primitive | Explained with Examples | CWC
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In this video, we will learn about Data Types in Java Programming Language.
Data types are used to define the type of data a variable can store.
This topic is very important for Java beginners and helps in understanding variables and memory allocation.
🧩 What You’ll Learn
✔️ What is Data Type in Java
✔️ Primitive Data Types
✔️ Non-Primitive Data Types
✔️ Size and Range of Data Types
✔️ Examples of Each Data Type
🧠 Types of Data Types in Java
1️⃣ Primitive Data Types
Data Type Size Example
byte 1 byte byte a=10;
short 2 byte short b=20;
int 4 byte int c=100;
long 8 byte long d=1000;
float 4 byte float e=10.5f;
double 8 byte double f=20.5;
char 2 byte char g='A';
boolean 1 bit boolean h=true;
2️⃣ Non-Primitive Data Types
🔹 String
🔹 Array
🔹 Class
🔹 Object
🔹 Interface
💻 Example Program
class datatype
{
public static void main(String args[])
{
int a = 10;
float b = 10.5f;
char c = 'A';
boolean d = true;
System.out.println("Integer = " + a);
System.out.println("Float = " + b);
System.out.println("Character = " + c);
System.out.println("Boolean = " + d);
}
}
🧠 Concepts Covered
✔️ Primitive Data Types
✔️ Non-Primitive Data Types
✔️ Variables in Java
✔️ Java Basic Concepts
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