你好!
希望对你有帮助!
List
list = list.stream().filter(value -> value % 10 == 0).collect(Collectors.toList());
System.out.println(list);
System.out.println("总数:"+list.size());
结果:[40, 30, 50, 100, 140, 530]
总数:6
public class Test{
public static void main(String[] args){
int count=0;
for(int i=0;i<10;i++){
int input=new Scanner(System.in).nextInt();
if(input>0){
count++;
}
}
System.out.println("正整数个数为: "+count);
}