3 changed files with 39 additions and 23 deletions
@ -1,27 +1,11 @@ |
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public class Main { |
public class Main { |
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public static void main(String[] args) { |
public static void main(String[] args) { |
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int[] voltages = {10, -5, 7, 105, 999, 89, 76, 74}; |
// 实例化两个 Student 对象
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int validCount = 0; // 有效数据个数
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Student stu1 = new Student(2026001, "张三", 90.5); |
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double validSum = 0; // 有效数据总和
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Student stu2 = new Student(2026002, "李四", 88.0); |
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for (int voltage : voltages) { |
// 调用 study() 方法
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if (voltage == 999) { |
stu1.study(); |
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System.out.println("程序终止,传感器离线"); |
stu2.study(); |
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break; // 遇到999,终止程序
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} else if (voltage < 0) { |
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System.out.println("警告:发现负数,数据已跳过"); |
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} else if (voltage >= 1 && voltage <= 100) { |
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validCount++; |
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validSum += voltage; |
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} |
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// 其他情况(如>100)不处理
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} |
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if (validCount > 0) { |
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double average = validSum / validCount; |
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System.out.printf("有效数据个数:%d,平均值:%.2f\n", validCount, average); |
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} else { |
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System.out.println("没有收集到有效数据,打印初始状态"); |
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} |
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} |
} |
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} |
} |
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@ -0,0 +1,32 @@ |
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// Student.java
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public class Student { |
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// 成员属性
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private int studentId; |
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private String name; |
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private double score; |
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// 构造方法(用于创建对象时给属性赋值)
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public Student(int studentId, String name, double score) { |
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this.studentId = studentId; |
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this.name = name; |
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this.score = score; |
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} |
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// study() 方法
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public void study() { |
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System.out.println(name + "(学号:" + studentId + ")正在学习,当前成绩:" + score); |
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} |
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// 可选:getter/setter 方法(用于访问/修改私有属性)
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public int getStudentId() { |
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return studentId; |
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} |
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public String getName() { |
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return name; |
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} |
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public double getScore() { |
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return score; |
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} |
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} |
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