spring练习题
javase练习题
javase练习题一、基础知识篇1. Java基本数据类型有哪些？分别写出它们的默认值。
2. 什么是封装？简述封装的优点。
3. 请写出Java中的四种访问修饰符，并说明它们的访问权限。
4. 什么是构造方法？它与普通方法的区别是什么？5. 在Java中，如何实现方法的重载和重写？二、面向对象篇2. 如何实现一个简单的Java类，包含两个属性和一个方法？3. 简述Java中的继承机制及其作用。
4. 什么是接口？与抽象类有什么区别？5. 请举例说明Java中的多态性。
三、集合框架篇1. Java集合框架中常用的集合类有哪些？2. 请简述ArrayList和LinkedList的区别。
3. 什么是HashMap？它的工作原理是什么？4. 请解释HashSet和TreeSet的区别。
5. 如何遍历一个List集合？四、异常处理篇1. 什么是异常？Java中的异常分为哪几类？2. 请举例说明trycatchfinally语句的使用方法。
3. 什么是自定义异常？如何创建和使用自定义异常？4. 请简述Java异常处理机制的作用。
int a = 10;int b = 0;int result = a / b;五、IO流篇1. 请简述Java IO流的分类。
2. 如何实现文件复制功能？3. 请解释字节流和字符流的区别。
4. 什么是序列化和反序列化？如何实现？5. 请举例说明Java中的文件操作。
六、多线程篇1. 什么是线程？线程和进程有什么区别？2. 请简述线程的生命周期。
3. 如何创建一个线程？有哪几种方式？4. 什么是线程同步？为什么需要线程同步？5. 请解释线程池的概念及其作用。
七、网络编程篇1. 请简述TCP和UDP协议的区别。
2. 如何实现一个简单的Socket通信？3. 什么是URL？如何解析一个URL？4. 请简述HTTP协议的工作原理。
5. 如何实现一个简单的HTTP服务器？八、Java新特性篇1. 请列举Java 8中的几个新特性。
小学四年级英语季节变化练习题40题
小学四年级英语季节变化练习题40题1.In spring, the trees are _____.A.greenB.yellowC.redD.white答案：A。
在春天，树木是绿色的。
选项B“yellow”黄色通常不是春天树木的颜色；选项C“red”红色也不是春天树木常见颜色；选项D“white”白色一般也不是春天树木的颜色。
2.We can see many _____ in spring.A.snowflakesB.leavesC.flowersD.apples答案：C。
在春天我们可以看到很多花。
选项A“snowflakes”雪花不是春天出现的；选项B“leaves”树叶在春天可能不是最突出的；选项D“apples”苹果不是在春天可以看到很多的。
3.In spring, it is _____.A.hotB.coldC.warmD.cool答案：C。
春天是温暖的。
选项A“hot”热一般是夏天；选项B“cold”冷一般是冬天；选项D“cool”凉爽一般是秋天。
4.People often go for a picnic in _____.A.summerB.autumnC.winterD.spring答案：D。
人们经常在春天去野餐。
其他三个季节不符合常理。
5.The birds come back in _____.A.springB.summerC.autumnD.winter答案：A。
鸟儿在春天回来。
其他季节鸟儿不是回来的时候。
6.In spring, we wear _____.A.coatsB.sweatersC.T-shirtsD.gloves答案：C。
春天我们穿T 恤。
选项A“coats”外套一般冬天穿；选项B“sweaters”毛衣一般秋冬穿；选项D“gloves”手套一般冬天戴。
7.What color are the grass in spring?A.blueB.purpleC.greenD.orange答案：C。
五年级下册英语第二单元MyFavouriteSeason练习题(内容详尽)
五年级英语下册Unit2MyFavouriteSeason Part A练习题一、读一读，译一译，并根据图片选单词。
1、根据图片选单词。
A．summer B．winter C．autumn D．spring________________________________二、单选。
2、— ________ season do you like best?— Spring.A、WhatB、WhenC、Which3、— What's the weather like in summer?— ______________.A、It's snowy.B、It's hot.C、It's cold.4、There are __________ seasons in a year.A、threeB、twoC、four5、I often ________ with my parents in spring.A、go hikingB、goes hikingC、going hiking6、— _________ you like the music, kids?— Yes. It's very beautiful.A、AreB、DoC、Does三、选词填空。
7、_____ season do you like best?A、WhichB、What8、I like ______ （秋天）best.A、summerB、autumn9、I can go _____ every day.A、swimB、swimming四、请找出划线部分读音不同的单词。
10、请找出划线部分读音不同的单词（）A、teaB、meatC、weatherD、beach11、请找出划线部分读音不同的单词（）A、backB、fastC、haveD、map12、请找出划线部分读音不同的单词（）A、warmB、gardenC、marketD、party13、请找出划线部分读音不同的单词（）A、schoolB、toothC、chooseD、good14、请找出划线部分读音不同的单词（）A、bookB、moodyC、lookD、cook五、读一读，分一分。
Module 10 Spring Festival Unit 2 (第2课时)练习题 七年级英语上
Unit 2 第2课时Ⅰ.用所给单词的适当形式填空1.This sign(标志) on the wall (mean) “Stop”.2.There are many (tradition) festivals in our country.3.My classmate Jane is very (luck) to pass(通过) the exam.4.John and Tony are from the same (city).5.—Where is Rose?—She (visit) her uncle in Shanghai.Ⅱ.按要求完成下列各题6.We aren't in the same class.(改为同义句)We are in .7.My grandma is dancing in the park.(改为否定句)My grandma in the park.8.They're lying on the sofa. They're watching TV.(合并为一句)They're lying on the sofa TV.9.My classmates do their homework at home.(用now改写句子)My classmates their homework at home now.10.In America, people celebrate Thanksgiving Day with a traditional family dinner.(对画线部分提问)people Thanksgiving Day in America?Ⅲ.根据汉语意思完成句子11.我和我的朋友出生在同一天。
My friend and I were born .12.“红包”是什么意思?hongbao?13.在圣诞节我们总是祝家人和朋友们圣诞快乐。
软件开发框架J2EESpring装配Bean习题与答案
一、多选题1．下面关于在Spring中配置Bean的init-method的说法正确的是（）。
A）init-method是在最前面执行的B）init-method在构造方法后，依赖注入前执行C）init-method在依赖注入之后执行D）init-method在依赖注入之后，构造函数之前执行2．下面关于Spring配置文件说话正确的是（）。
A）Spring配置文件必须叫applicationContext.xmlB）Spring配置文件可以不叫applicationContext.xmlC）Spring配置文件可以有多个D）Spring配置文件只能有一个3．看下面的代码，说法正确的是（）。
<bean id=%userTable class=erTable> <property name=%userName><value>ACCP</value> </property> </bean>A）其中<property name=%userName>的userName是UserTable中的属性，可以不要get、set方法。
B）其中<property name=%userName>的userName是UserTable中的属性，可以不要get方法，但是一定要有set方法C）其中<property name=%userName>的userName是UserTable中的属性，可以不要set方法，但是一定要有get方法D）其中<property name=%userName>的userName是UserTable中的属性，一定要有get和set方法4．看下面的代码，说法正确的是（）。
<bean id=“user class=“er\/> <constructor-arg><value>accp</value> </constructor-arg> </bean>A）必须要有一个接受字符串的构造方法B）可以没有接受一个字符串的构造方法C）这个类有且只能有一个只接受一个字符串的构造方法D）这个类可以有多个构造方法，但是一定要有一个只接受一个字符串的构造方法5．看下面的代码，说法正确的是（）。
(完整版)非谓语动词专题(练习题含答案)
(完整版)非谓语动词专题(练习题含答案)一、选择题1．Mr. Zhou is good at cooking and he has decided______his own restaurant.A．open B．opened C．to open D．opening2．Alice couldn’t make herself ________ attention to because her classmates made so much noise. A．pay B．paid C．paying3．________ the early flight, we ordered a taxi and got to the airport very early.A．Catching B．To catch C．Catch D．Caught4．Who are you going to have ________ the library since the designer is busy these days.A．to design B．designed C．designing D．design5．Paul made a nice cage _______the little sick bird till it could fly．A．keep B．kept C．keeping D．to keep6．The way our students thought of ________ the classroom clean and tidy proved to be very useful.A．to keep B．keeping C．kept D．keeps7．— Do you prefer _______ basketball with me?— No, I'd rather _______ at home and watch TV because of my aching feet.A．play; stay B．to play; to stay C．play; to stay D．to play; stay8．My mother usually eats a little for supper________. She looks slimmer than before.A．to save money B．saving money C．to lose weight D．losing weight 9．The oral English test is coming. What else should we pay attention to ________ our grades? A．to improve B．improving C．improve D．improved 10．Sallie rolls up her new trousers carefully _____ them from dust.A．protect B．protecting C．to protect D．to protecting 11．Huawei has succeeded in ________new software for his products. I can’t wait ________a new Huawei mobile.A．developing, to buy B．developed, buying C．developing, buy D．develop, buying 12．Our headmas ter isn’t in. I can’t find him anywhere. Did you notice him ______ the office? A．to enter B．entered C．to leave D．leave13．I prefer ______ the cheaper one of the two sweaters _____ some money for a dictionary. A．to have ; to saving B．having ; to savingC．to have ; to save D．having , to save14．Having never worked in the fields, Yuan Longping’s mom moved to Anjiang town ________ her son’s family and research.A．support B．to support C．supporting D．supported15．_______ colorful pictures, he loaded a new software to help him.A．Create B．Created C．To create D．Creating16．_______ up sales, many international companies plan to set up online shops.A．Push B．To push C．Pushing D．Having pushed 17．China now has many good chances for people returning from abroad their dreams.A．achieve B．achieved C．to achieve D．achieving18．—Look at the sign! You aren’t allowed _______ in public places.—Sorry, I didn’t see it.A．smoke B．smoking C．to smoke D．smoked 19．Helen was made the task in two days.A．finish B．to finishing C．finished D．to finish 20．When you are home, give a call ___________ me know you have arrived safely.A．let B．to let C．letting D．be let21．一Have you got the tickets for the concert?一Not yet，I didn't realize difficult it was the tickets.A．what; to get B．what; getting C．how; to get D．how; getting22．________ ill, I can’t go to school today.A．Because of B．As C．Being D．With23．—Do you often hear Lucy ________in her room?—Yes, listen! Now we can hear her ________ in her room.A．sing; sing B．singing; singing C．singing; sing D．sing; singing 24．He tried to make himself ________ by his students, but he failed.A．understand B．understoodC．understands D．understanding25．Every morning when the sun ______, plenty of people are watching the ____ of national flag at Tian’anmen Square.A．raises；raise B．rises；riseC．raises；rise D．rises；raising26．My watch doesn’t work. I must have it ________.A．Repairing B．to repair C．repair D．repaired 27．Mrs. White showed her students some old maps ________ from the library.A．to borrow B．to be borrowed C．borrowed D．borrowing 28．The music ________by Tan Dun sounds________．A．was written； amazing B．written； amazedC．was written； amazed D．written； amazing29．A 32-year-old delivery driver ________ Gao Zhixiao was still working as the virus spread across China.A．called B．is called C．calls D．was called 30．—Mother’s Day is coming. Shall we make some paper roses for Mum?—Sounds great! But would you please show me _______ as I know little about DIY?A．where B．why C．whether D．how31．一Waiter! I'd like some beef and a vegetable salad.一Sorry，madam. They only for lunch. Why not consider something else? A．served; to order B．served; orderingC．are served; ordering D．are served; to order32．What a terrible thing! There is a ________ dog ________ on the ground.A．die, lie B．dead, lying C．death, lay D．dying, lie33．On her way home, Lucy saw a thief ______ in a shop. She stopped ______ 110 at once. A．steal; call B．to steal; callC．stealing; to call D．stealing; calling34．—What are you talking about?—Some pictures ________ yesterday.A．were taken B．took C．taken D．have been taken 35．—Tom, have you ever read the book A Tale of Two Cities ________ by Charles Dickens?—Yes, I finished reading it last winter vacation.A．wrote B．to write C．writing D．written36．The list _________ 19 trillion data _________ over nine years from 390 cities across 48 countries.A．based on; collected B．based on; collectingC．is based on; collected D．is based on; collecting37．—Your hair is too long.—Haha. I just want to have my hair ______this afternoon.A．to cut B．cutting C．cut D．cuting38．I think middle school students should not get their hair _______.A．color B．colors C．colored D．coloring39．The details the teachers asks to pay attention to ________ our English are very important. A．to improve B．improve C．improving D．improved 40．The girl is so helpful that she devoted all her spare time she had ________ others.A．to helping B．helping C．to help D．helped41．— Docto r! I can’t fall at night.—Don’t worry! You are too stressed. Just be relaxed and take some pills, then you’ll be better. A．sleepy; asleep B．asleep; sleepingC．sleep; sleep D．asleep, sleepy42．—At weekends, my parents often go cycling with me around the Fishmouth Wetland Park.—That's great! But my parents are too busy ________ operations to spare me any time.A．to do B．done C．doing D．do43．Instead of flowers, consider ________ your mom what she really wants.A．giving B．to give C．give D．gives44．Dad always tells me not ________ just for tests. Or, I’ll lose interest in learning.A．study B．studies C．studying D．to study45．In spring, a mask can be helpful if flowers make your nose uncomfortable.A．wear B．wore C．wearing D．worn46．Gina is the only girl ______ a coat.A．who wear B．who wearing C．wearing D．wears47．I think his advice is of great . It's well worth .A．value, taking B．value, to takeC．valuable, to take D．valuable, taking48．A new high-speed railway ________ Yangzhou ________ Nanjing will be built. A．connected; and B．connects; with C．connected; to D．connecting; to 49．----What do you remember about Grade 7 ?----I remember ______ a prize .A．to win B．winning C．win D．wining50．---The two old friends were ____ busy ____ with each other that they forgot the time.---Yes. They hadn’t met for over ten years, so they kept talking the whole night.A．too; to talk B．too; talking C．so; to talk D．so; talking; 51．________ more trees can help to protect the Earth and make it more beautiful. A．Planted B．Plants C．Plant D．Planting52．I prefer in the peaceful countryside to living in the big city, because that makes me ________.A．lived ; relaxed B．to live ; relaxing C．living ; relaxed D．live ; relax 53．—Did everyone attend the concert last night?—No, Emily preferred ________ TV at home to ________ the concert.A．to watch; attend B．to watch; attending C．watching; attend D．watching; attending 54．—Anyone shouldn’t _________ use fire outdoors.—Yeah, and we should pay attention to ________ our forests and grasslands.A．be allowed to; protect B．allow to; protectingC．be allowed to; protecting D．allow to; protected55．Dear friends, ________ your best and relaxing yourselves are two helpful ways to get a high grade in this exam. Wish you success.A．try B．trying C．to try D．tries56．— Baby, would you mind ________ me cook the fish?—Of course not. I can’t wait ________ it!A．help; taste B．helping; taste C．help; to taste D．helping; to taste 57．— Would you mind ________ in the hall?—Of course not.A．smoked B．don't smoke C．not smoking D．not to smoke 58．Your English will be better if you practice _______ English for an hour every day. A．speak B．speaking C．to speak D．to speaking 59．________ the morning of May 15th, Zhurong rover (登陆车) landed on Mars. This means China has become the second country ________ a rover on Mars successfully.A．In; landing B．In; to land C．On; landing D．On; to land 60．Huawei has succeeded in ________new software for his products. I can’t wait ________a new Huawei mobile.A．developing, to buy B．developed, buying C．developing, buy D．develop, buying【参考答案】一、选择题1．C解析：C【详解】句意：周先生擅长烹饪，他决定开一家属于自己的餐馆。
spring练习题
1.MVC设计模式的目的是【 D 】A.使程序结构更清晰B.使程序更好维护C.保证视图和模型的隔离 D在逻辑上将视图、模型和控制器分开2、在三层结构中，数据访问层承担的责任是【 A 】A.定义实体类B.数据的增删改查操作C.业务逻辑的描述D.页面展示和控制转发3、下面关于数据持久化概念的描述，错误的是【 B 】A.保存在内存中数据的状态是瞬时状态B.持久状态的数据在关机后数据依然存在C.数据可以由持久状态转换为瞬时状态D.将数据转换为持久状态的机制称为数据持久化4、下面关于Hibernate的说法，错误的是【 C 】A.Hibernate是一个“对象-关系映射”的实现B.Hibernate是一种数据持久化技术C.Hibernate是JDBC的替代技术D.使用Hibernate可以简化持久化层的编码5、Hibernate配置文件中，不包含下面的【 A 】A.“对象-关系映射”信息B.连接数目C.show_sql等参数的配置D.数据库连接信息6、在使用了Hibernate的系统中，要想在删除某个客户数据的同时删除该客户对应的所有订单数据，下面方法可行的是。
【 B 】A.配置客户和订单关联的cascade属性为save-updateB.配置客户和订单关联的cascade属性为allC.设置多对一关联的inverse属性为trueD.设置多对一关联的inverse属性为false7、执行下面的hql查询，关于返回值的说法，正确的是。
【 B 】select ername,erid from er u where u is not nullA.语法错误，不能执行B.返回一个类型为List的实例C.返回一个数组D.当返回结果只有一条时，返回一个数组8、下面关于“依赖注入”的说法，错误的是【 D 】A.将组件间的依赖关系采取配置文件的方式管理，而不是硬编码在代码中B.降低了组件间的耦合，使程序更容易维护和升级C.促进了“面向接口”编程，使构建大规模程序更轻松D.需要定义大量接口，增加了编码复杂度9、关于Spring的说法错误的是【 C 】A.packB.packetC.packageD.packege10、关于Spring AOP，下面说法错误的是【 C 】A.支持前置通知、后置通知、环绕通知B.采用代理的方式实现C.在Spring2.0以前的版本中通过<aop:config>、<aop:pointcut>和<aop:advisor>配置D.与“依赖注入”实现紧密结合fr.close();fw.close();三、多选题(20分,每小题4分)1、下面关于Spring的说话正确的是【B C 】A.Spring是一个重量级的框架B.Spring是一个轻量级的框架C.Spring是一个IOC和AOP容器D.Spring是一个入侵式的框架2、下面关于IOC的理解，正确的是【 A B 】A.控制反转B.对象被动的接受依赖类C.对象主动的去找依赖类D.一定要用接口3、下面关于AOP的理解，正确的是【B C 】A.面向纵向的开发B.面向横向的开发C.AOP关注是面D.AOP关注的是点4、Spring的组成一共有多少块组成。
小学英语练习题(形容词、副词)
小学英语练习题（形容词、副词）一. 单项选择。
1.The teacher often works far__________into the light. （C）A. deepB. deeplyC.deeperD. deepest2. It was snowing heavily. The little dog stood_____to her mother. (A)A. closeB. closelyC. closedD. closing3. The air in the room is not fresh. You'd better sleep with the window ________.(C)A. open wideB. open widelyC. wide openD. opened wide4. When you drive a car, you should be________careful. (A)A.veryB. tooC.soD.only5. Don't eat _________much chocolate. (B)A. veryB. tooC. littleD. few6. The music sounds__________. (A)A. wonderfulB. wellC. terriblyD. badly7. I think English is_________important than maths. (D)A. manyB. muchC. many moreD. much more8. I will come back from the USA in a year or __________. (C)A. laterB. afterC. soD. about9.The doctor told me that my uncle was_________ill. (C)A. terribleB. very terribleC.terribllyD. too terrible10.You must read the text （课文）__________. (A)A.carefullyB. carefulC. careD. careless二. 写出下列形容词的比较级和最高级。
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1.MVC设计模式的目的是【 D 】
A.使程序结构更清晰
B.使程序更好维护
C.保证视图和模型的隔离 D在逻辑上将视图、模型和控制器分开
2、在三层结构中，数据访问层承担的责任是【 A 】
A.定义实体类
B.数据的增删改查操作
C.业务逻辑的描述
D.页面展示和控制转发
3、下面关于数据持久化概念的描述，错误的是【 B 】
A.保存在内存中数据的状态是瞬时状态
B.持久状态的数据在关机后数据依然存在
C.数据可以由持久状态转换为瞬时状态
D.将数据转换为持久状态的机制称为数据持久化
4、下面关于Hibernate的说法，错误的是【 C 】
A.Hibernate是一个“对象-关系映射”的实现
B.Hibernate是一种数据持久化技术
C.Hibernate是JDBC的替代技术
D.使用Hibernate可以简化持久化层的编码
5、Hibernate配置文件中，不包含下面的【 A 】
A.“对象-关系映射”信息
B.连接数目
C.show_sql等参数的配置
D.数据库连接信息
6、在使用了Hibernate的系统中，要想在删除某个客户数据的同时删除该客户对应的所有订单数据，下面方法可行的是。
【 B 】
A.配置客户和订单关联的cascade属性为save-update
B.配置客户和订单关联的cascade属性为all
C.设置多对一关联的inverse属性为true
D.设置多对一关联的inverse属性为false
7、执行下面的hql查询，关于返回值的说法，正确的是。
【 B 】
select ername,erid from er u where u is not null
A.语法错误，不能执行
B.返回一个类型为List的实例
C.返回一个数组
D.当返回结果只有一条时，返回一个数组
8、下面关于“依赖注入”的说法，错误的是【 D 】
A.将组件间的依赖关系采取配置文件的方式管理，而不是硬编码在代码中
B.降低了组件间的耦合，使程序更容易维护和升级
C.促进了“面向接口”编程，使构建大规模程序更轻松
D.需要定义大量接口，增加了编码复杂度
9、关于Spring的说法错误的是【 C 】
A.pack
B.packet
C.package
D.packege
10、关于Spring AOP，下面说法错误的是【 C 】
A.支持前置通知、后置通知、环绕通知
B.采用代理的方式实现
C.在Spring2.0以前的版本中通过<aop:config>、<aop:pointcut>和
<aop:advisor>配置
D.与“依赖注入”实现紧密结合
fr.close();
fw.close();
三、多选题(20分,每小题4分)
1、下面关于Spring的说话正确的是【B C 】
A.Spring是一个重量级的框架
B.Spring是一个轻量级的框架
C.Spring是一个IOC和AOP容器
D.Spring是一个入侵式的框架
2、下面关于IOC的理解，正确的是【 A B 】
A.控制反转
B.对象被动的接受依赖类
C.对象主动的去找依赖类
D.一定要用接口
3、下面关于AOP的理解，正确的是【B C 】
A.面向纵向的开发
B.面向横向的开发
C.AOP关注是面
D.AOP关注的是点
4、Spring的组成一共有多少块组成。
【 D 】
A.1
B.3
C.5
D.7
5、Spring各模块之间关系【B C 】A.Spring各模块之间是紧密联系的，相互依赖的
B.Spring各模块之间可以单独存在
C.Spring的核心模块是必须的，其他模块是基于核心模块
D.Spring的核心模块不是必须的，可以不要。