byte b = 1;
short s = 2;
int i = 3;
long l = 4;
float f = 5.5;
double d = 6;

b = b;
b = s;
b = i;
b = l;
b = f;
b = d;
;
s = b;
s = s;
s = i;
s = l;
s = f;
s = d;
;
i = b;
i = s;
i = i;
i = l;
i = f;
i = d;
;
l = b;
l = s;
l = i;
l = l;
l = f;
l = d;

f = b;
f = s;
f = i;
f = l;
f = f;
f = d;

d = b;
d = s;
d = i;
d = l;
d = f;
d = d;

int mixed1 = 3.0 * 3;
double t = 3.0 * 3;
int k = 4*4;