Data Type – Example
import java.util.ArrayList;
public class Program2 {
public static void main(String[] args) {
int number = 10; // Integer (whole number)
float floatNum = 6.99f; // Floating point number
char letter = 'F'; // Character
boolean flag = false; // Boolean
String str = "Hello"; // String
}
}
Explaination
Data Type – Size
int 4 bytes
long 8 bytes
float 4 bytes
double 8 bytes
boolean 1 bit
char 2 bytes