I am unable to understand the following: In java, long l = 130L; byte b = (byte)l; If I print the value of b, why do I get -126? What is the bit representation of long l?

I have a simple program as below. struct Test { int a[5]; int b; }; int main() { Test* t = new Test; t->b = 1; t->a[5] = 5; //This is an illegal write cout << t->b << e...