[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmBn-oUJnSNimJu8arL0u6ihLg6vvtZ5iKPTazL_I63U":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":44},[],"2023-06-12 08:15:14",59611286,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},413,"8c77cdd985f658f689b39577835a434a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7da7a6f7d8ad2ac113a129c0d990398c.png","JAVA程序设计","work_27951993","复习题(直接提交后可看参考答案)","简述继承的有点和缺点",[17,24,29,34,39,45,50,55,60,65],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],59611249,[],"请阅读下面的程序,在空白处填写正确的代码,完成构造方法重载,并为成员变量赋值.public class Student { String sno; int age; public Student() { } public ___①_(String s, int a) { \u002F\u002F重载的构造方法 ___②_ = __③__; \u002F\u002F ___④_ = __⑤__; }}","v1",8,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],59611250,[],"写一个测试类Test01并设计一个学生类Student.要求如下:Student类有name和age属性,一个包含两个参数的构造方法,用于给name和age属性赋值,一个show()方法打印Student的属性信息.然后在测试类中创建一个student对象,并传入zhangsan和16两个值,并调用show方法进行测试",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":22,"type":23},[],59611251,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9ecda826df68e5ed74b5e650a47784d6.jpg\"> 请根据上面的输出结果,补全下面的程序: public static void main(String[] args) { \u002F\u002F外层循环,变量i控制输出1~9行 for( ① ) { \u002F\u002F内层循环,变量j控制输出1~9列 for( ② ) { \u002F\u002F使用字符串拼接的形式,打印每个内层循环的执行语句 System.out.print( ③ ); } ④ ; \u002F\u002F换行输出 } }",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":22,"type":23},[],59611252,[],"设计一个Shape接口和它的两个实现类Square和Circle.要求如下:(1)Shape接口中有个抽象方法area(),方法接收有一个double类型的参数 i,返回一个double类型的结果.(2)Square和Circle中实现了Shape接口area()抽象方法,分别求正方形和圆形的面积并返回在测试类Test中创建Square和Circle对象,计算边长为2的正方形面积和半径为3的圆形面积",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":22,"type":44},[],59611253,[],"list集合和set集合的异同",4,{"answer":46,"createTime":5,"id":47,"options":48,"question":49,"source":22,"type":44},[],59611254,[],"使用this调用类的构造方法时,需要注意哪些问题",{"answer":51,"createTime":5,"id":52,"options":53,"question":54,"source":22,"type":44},[],59611255,[],"简述TCP通信与UDP通信的区别",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":22,"type":44},[],59611256,[],"静态方法和成员方法有何区别",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":22,"type":44},[],59611257,[],"什么是成员变量?什么是局部变量",{"answer":66,"createTime":5,"id":67,"options":68,"question":69,"source":22,"type":44},[],59611258,[],"简述方法重写和方法重载的区别"]