public class twoArray
{
public int[] a1[] = new int[100];
public int[] a2[] = new int[100];
}public twoArray[] ta = new twoArray[20];此时ta.a1,ta.a2仍然是null,请问如何初始化?
{
public int[] a1[] = new int[100];
public int[] a2[] = new int[100];
}public twoArray[] ta = new twoArray[20];此时ta.a1,ta.a2仍然是null,请问如何初始化?
ta[0] = new twoArray();
public twoArray[] ta = new twoArray[20];
只是初始化数组, 并不负责元素的初始化初始化元素:
for(int i=0;i<20;i++)
{
twoArry[i] =new twoArry();
}