[
  {
    "title": "Java中，以下哪个关键字用于定义接口？",
    "type": 1,
    "answerA": "class",
    "answerB": "interface",
    "answerC": "extends",
    "answerD": "implements",
    "rAnswer": "B",
    "score": 5
  },
  {
    "title": "Spring框架的核心特性是什么？",
    "type": 1,
    "answerA": "AOP面向切面编程",
    "answerB": "IOC控制反转",
    "answerC": "MVC设计模式",
    "answerD": "以上都是",
    "rAnswer": "D",
    "score": 5
  },
  {
    "title": "简述Java中Exception和Error的区别。",
    "type": 2,
    "rAnswer": "Exception是程序可以处理的异常，通常由程序逻辑错误引起；Error是严重错误，如内存溢出，程序无法处理。",
    "score": 10
  },
  {
    "title": "MySQL中，如何优化慢查询？",
    "type": 2,
    "rAnswer": "1. 添加索引；2. 优化SQL语句；3. 使用EXPLAIN分析查询计划；4. 避免全表扫描；5. 适当分表分库。",
    "score": 15
  },
  {
    "title": "以下哪个不是Java的基本数据类型？",
    "type": 1,
    "answerA": "int",
    "answerB": "String",
    "answerC": "boolean",
    "answerD": "double",
    "rAnswer": "B",
    "score": 5
  }
]