单项选择题

下列程序的运行结果是______。
Public class sun

Public static void main (String args[])

int x=4, y=0;
if (Math. pow (x, 2)==16)
y=x;
if (Math. pow (x, 2)＜15)
y=1/x;
if (Math. pow (x, 2)＞15)
y=(int)Math. pow (x, 2)+1;
system. out. println(y);