Java，求计算过程咋算的

int m = 65, n = 14;
while(m != n) {
while(m > n) m -= n;
while(n > m) n -= m;
}
System.out.println(m = + m);

int m = 65, n = 14;
while(m != n) {
while(m > n) m=m-n;
while(n > m) n =n-m;
}
System.out.println(m = + m);