【简答题】以下程序的输出结果为 ( ) 。 public class Test { public static void main(String[] args) { String[] strArr = {"1", "2", "3", "4"}; String result = ""; for (int i = 0; i < strArr.length; i++) { result +=strArr[i];...
【简答题】以下程序的输出结果为 ( ) 。 class Person { public Person() { System.out.println("Person"); } } class Student extends Person { public Student() { System.out.println("Student"); } } class CollegeStudent extends St...