package test;
public class Arrays {
public static void main(String[] args) {
int[] a1 = { 1, 2, 3, 4, 5 };
int[] a2;
a2 = a1;
System.out.println(a1.length);
for(int i = 0; i < a2.length; i++)
a2[i]++;
for(int i = 0; i < a1.length; i++)
prt("a1[" + i + "] = " + a1[i]);
}
static void prt(String s) {
System.out.println(s);
}
} ///:~
为什么最后输出的是：
5
a1[0] = 2
a1[1] = 3
a1[2] = 4
a1[3] = 5
a1[4] = 6
//我觉得a1[]数组的值根本没变啊