import java.util.ArrayList
import java.util.List
public class ABC {
public static void main(String[] args) {
int[] aryA = { 1, 3, 5, 7, 9, 11, 13 }//要比较的数组啊A
int[] aryB = { 2, 4, 6, 8, 10, 5, 7, 9 }//要比较的数组啊B
List<Integer>list = new ArrayList<Integer>()//不知道有多少不同元素,因此用List
for (int i = 0i <aryB.lengthi++) {
boolean isExistInAryA = false
for (int j = 0j <aryA.lengthj++) {
if (aryA[j] == aryB[i]) {
isExistInAryA = true
break
}
}
if (!isExistInAryA) {
list.add(aryB[i])
}
}
int[] aryC = new int[list.size()]//存放不同元素的数组C
for (int i = 0i <list.size()i++) {
aryC[i] = list.get(i).intValue()
}
System.out.println("Different elment in array A and B are: ")
for (int value : aryC) {//打印输出数组中的不同元素
System.out.print(value + " ")
}
}
}
-----------------
Different elment in array A and B are:
2 4 6 8 10
var c = a.concat(b),//合并成一个数组temp = {},//用于id判断重复
result = []//最后的新数组
//遍历c数组,将每个item.id在temp中是否存在值做判断,如不存在则对应的item赋值给新数组,并将temp中item.id对应的key赋值,下次对相同值做判断时便不会走此分支,达到判断重复值的目的;
c.map((item,index)=>{
if(!temp[item.id]){
result.push(item)
temp[item.id] = true
}
})
console.log(result)