1 public class ArraysAdd { 2 public static void main(String[] args) { 3 int[] i = {1,2,3}; 4 int[] j = {4,5}; 5 Object[] o = new Object[i.length+j.length]; 6 for (int k = 0; k < i.length; k++) { 7 o[k] = i[k]; 8 } 9 for (int k = 0; k < j.length; k++) { 10 //数组的长度等于数组下表+1 11 o[i.length + k] = j[k]; 12 } 13 for (int k = 0; k < o.length; k++) { 14 //输出o数组 15 System.out.println(o[k]); 16 } 17 } 18 }