public class Variables {

public static void main(String[] args) {

boolean isPassed = true;

long count = 12;

int countInt = (int)count;

byte marks = 13;

short studentsCount = 1235;

float pi = 3.14f;

double secondPi = 3.143213241123; // will print all precision

float x = 3.143213241123f; // will print till 7 decimal points

System.out.println(pi);

System.out.println(secondPi);

System.out.println(x);

char myLetter = 'a';

System.out.println(myLetter);

int age = 128;

byte newAge = (byte)age; // explicit typecasting, lossy conversion

System.out.println(newAge); // -128 -> rotation

}

}