Explain to me this loop,🙄🙄

Question

public class Numb {

public static void main(String[] args) {

int a = 128;
byte b = (byte)a;

System.out.println(b);
// Outputs -128

a = 129;
b = (byte)a;

System.out.println(b);
// Outputs -127

a = 130;
b = (byte)a;

System.out.println(b);
// Outputs -126

a = 384;
b = (byte)a;

System.out.println(b);
// Outputs -128
}

}

Answer 1

There is no loop, it's type overflow

https://www.tutorialspoint.com/Java-overflow-and-underflow

In general:
https://en.m.wikipedia.org/wiki/Integer_overflow