第一个:
public static void SuiJiZiFuChuan(int x, int y)
{
for (int j = 0; j < y; j++)
{
for (int i = 0; i < x; i++)
{
int a = (int) (100 * Math.random() + 100 * Math.random());
//区别在这里,那个好
while (true)
{
if (a > 96 & a < 123)
break;
else
a = (int) (100 * Math.random() + 100 * Math.random());
}
System.out.print((char) a);
}
System.out.println();
}
第二个:
public static void SuiJiZiFuChuan(int x, int y)
{
for (int j = 0; j < y; j++)
{
for (int i = 0; i < x; i++)
{
int a = (int) (123 * Math.random() );//区别在这里
while (true)
{
if (a > 96 & a < 123)
break;
else
a = (int) (123 * Math.random());
}
System.out.print((char) a);
}
System.out.println();
}
}
这两个都是获取随机小字母,哪一个效益好