NewArrayDemo2.java

package onlyfun.caterpillar;
 
import java.lang.reflect.Array;
 
public class NewArrayDemo2 {
    public static void main(String[] args) {
        Class c = String.class;
        
        // 打算建立一個3*4陣列
        int[] dim = new int[]{3, 4};
        Object objArr = Array.newInstance(c, dim);
        
        for(int i = 0; i < 3; i++) {
            Object row = Array.get(objArr, i);
            for(int j = 0; j < 4; j++) {
                Array.set(row, j, "" + (i+1)*(j+1));
            }
        }
        
        for(int i = 0; i < 3; i++) {
            Object row = Array.get(objArr, i);
            for(int j = 0; j < 4; j++) {
                System.out.print(Array.get(row, j) + " ");
            }
            System.out.println();
        }
    }
}