public class LEARN20 {
//这个是一个反转的练习,理论上是没问题的,但是却跑不了
public static void main(String[] args) {
int[] arr1 = {11,22,33,44,55};
int[] arr2 = new int[5];
for (int a = 0; a < arr1.length; a++ ) {
arr2[a] = arr1[arr1.length - a];
}
for (int...
//第一种情况
class Test {
public $a;
public function Run($run) {
$this->a = $run;
echo $this->a;
}
}
$h = new Test;
$h->Run(114514);
//第二种情况
class Test {
public $a
public function Run($run) {
$this->$a = $run;
echo $a;
}
}
$h = new Test...