上传了实验三,已确认无敏感信息

实验3/src/test1/Student.java

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+//Student.java
+package test1;
+
+public class Student {
+    int id;
+    int age;
+    int grade;
+
+    public void study() {
+        System.err.println("学号为" + id + "的学生正在学习");
+    }
+
+    public void examination() {
+        System.err.println(id + "年级正在考试");
+    }
+
+    public void tell() {
+        System.out.print("正在讲话的是一个" + age + "岁的学生");
+    }
+
+}

实验3/src/test1/test.java

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+//test.java
+package test1;
+
+public class test {
+    public static void main(String[] args) {
+        Student s1 = new Student();
+        s1.id = 001;
+        s1.age = 18;
+        s1.grade = 1;
+        s1.study();
+        s1.examination();
+        s1.tell();
+    }
+}