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16 lines
518 B
16 lines
518 B
public class Main {
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public static void main(String[] args) {
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// 1. 创建一个 Person 数组，长度为 2
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Person[] people = new Person[2];
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// 2. 存放 Student 和 Teacher 对象 (向上转型)
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people[0] = new Student();
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people[1] = new Teacher();
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// 3. 循环调用 answer() 方法，观察多态输出
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System.out.println("--- 开始回答问题 ---");
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for (int i = 0; i < people.length; i++) {
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people[i].answer();
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}
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}
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}
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