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东软校园招聘考试题库:嵌入式系统与Java编程合集

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从给定的文件信息来看,该压缩包内容为**东软集团校园招聘考试套题**,涵盖了**嵌入式系统、Java语言、C++语言**三大方向的试题,主要用于考察应届生在计算机相关领域的专业基础知识和实践能力。以下将从标题、描述、标签以及子文件名称中提取并详细说明相关知识点,帮助理解这些试题所涉及的技术领域和考察重点。 --- ### 一、嵌入式系统相关知识点 嵌入式系统是现代电子设备中广泛应用的一种专用计算机系统,其特点是体积小、功耗低、实时性强、可靠性高。在校园招聘中,嵌入式方向的考察通常包括以下几个方面: #### 1. **51单片机原理与应用** - 51单片机是嵌入式开发中较为基础且常见的微控制器,广泛用于教学与小型控制系统中。 - 主要知识点包括:51单片机的结构组成、寄存器配置、中断系统、定时器/计数器、串行通信接口(UART)、并行I/O口控制等。 - 编程方面常使用**汇编语言**或**C语言**进行开发,需要掌握基本的硬件操作和底层驱动编写。 #### 2. **嵌入式系统基础** - 包括嵌入式处理器架构(如ARM、MIPS等)、嵌入式操作系统(如RTOS、uC/OS、FreeRTOS等)、Bootloader原理、设备驱动开发等。 - 嵌入式系统开发通常需要了解交叉编译环境、调试工具(如JTAG、GDB)、嵌入式Linux的基本使用等。 #### 3. **嵌入式Linux开发** - 在嵌入式Linux环境下,开发人员需要掌握Linux内核配置与裁剪、文件系统构建、设备驱动开发、应用程序开发等技能。 - 工具链方面,包括Makefile编写、交叉编译工具链的搭建、Linux Shell脚本编写等。 - 通信协议方面,常涉及UART、SPI、I2C、CAN等总线协议的应用。 #### 4. **嵌入式C语言编程** - 嵌入式开发中C语言是主流编程语言,需掌握指针、结构体、位运算、内存管理、宏定义等高级用法。 - 需要熟悉硬件寄存器操作、内存映射、中断服务程序的编写等。 --- ### 二、Java语言相关知识点 Java是一种广泛应用于企业级开发、Web开发、移动应用开发(尤其是Android)和大数据处理的高级面向对象编程语言。在校园招聘中,Java方向的考察主要集中在以下几个方面: #### 1. **Java基础语法与编程** - 包括数据类型、运算符、流程控制语句、数组、字符串处理、异常处理、集合框架(如List、Set、Map等)。 - 面向对象编程(OOP)概念,如类与对象、继承、封装、多态、接口、抽象类等。 - 多线程与并发编程,如Thread类、Runnable接口、线程同步、线程池等。 #### 2. **Java虚拟机(JVM)机制** - 包括JVM的运行时数据区(方法区、堆、栈、本地方法栈、程序计数器)、类加载机制、GC(垃圾回收)机制、内存模型等。 - 常见垃圾回收算法(如标记清除、复制算法、标记整理)和GC收集器(如Serial、Parallel、CMS、G1等)。 #### 3. **Java Web开发基础** - 包括Servlet、JSP、Filter、Listener等Web组件的使用。 - MVC架构模式、Spring、Spring MVC、MyBatis等主流框架的使用与整合。 - 数据库连接(JDBC)、事务管理、连接池(如Druid、HikariCP)等。 #### 4. **Java常见设计模式** - 如单例模式、工厂模式、观察者模式、策略模式、代理模式、装饰器模式等。 - 在实际开发中,设计模式有助于提高代码的可维护性和扩展性。 #### 5. **Java网络编程** - 包括Socket编程、HTTP协议、TCP/IP协议基础、URL访问、多线程服务器实现等。 --- ### 三、C++语言相关知识点 虽然题目中没有单独列出C++的子文件,但从标题和标签中可以看出C++是招聘考察的重要方向之一。C++是一种静态类型的、编译式的、通用的、大小写敏感的、不仅支持面向对象编程,还支持泛型编程和过程化编程的编程语言。 #### 1. **C++基础语法与编程** - 包括基本数据类型、运算符、流程控制语句、函数定义与调用、指针与引用、数组与字符串、结构体与联合等。 - 面向对象特性,如类与对象、构造函数与析构函数、继承与派生、虚函数与多态、友元函数与友元类等。 #### 2. **STL标准模板库** - 包括容器(如vector、list、map、set)、迭代器、算法(如sort、find、copy)等。 - 模板编程,如函数模板、类模板、特化与偏特化等。 #### 3. **内存管理与指针操作** - C++中需要手动管理内存,因此对new/delete、malloc/free的使用、内存泄漏的排查、智能指针(如unique_ptr、shared_ptr)的使用是考察重点。 - 深拷贝与浅拷贝、RAII资源管理思想等。 #### 4. **面向对象高级特性** - 包括多重继承、虚基类、运算符重载、命名空间、异常处理机制、RTTI(运行时类型识别)等。 #### 5. **C++11/14/17新特性** - 如auto类型推导、lambda表达式、右值引用与移动语义、智能指针、线程库支持、初始化列表等。 - 这些新特性极大地提高了代码的可读性和性能,是当前企业开发中重点关注的内容。 --- ### 四、综合考察方向与能力要求 从压缩包中包含的多个试题文件来看,本次校园招聘考试覆盖了嵌入式系统、Java语言、C++语言等多个技术方向,体现出东软集团在招聘过程中注重应聘者的**综合技术能力**与**基础知识掌握情况**。 #### 1. **跨平台与多语言能力** - 嵌入式开发往往需要掌握多种语言(如C、汇编、C++),而Java则更多用于后端开发或Android平台。 - 能够在多个技术栈中灵活切换,说明候选人具备良好的学习能力和适应能力。 #### 2. **理论与实践结合** - 试题内容既包括理论知识(如语法、架构、原理),也包括实际应用(如编程题、系统设计题)。 - 考察候选人是否具备将理论知识应用于实际项目的能力。 #### 3. **系统级思维与问题解决能力** - 嵌入式系统开发中经常涉及底层硬件与操作系统交互,需要系统级思维。 - Java开发中也需要对系统性能、并发模型、内存管理等有深入理解。 --- ### 五、总结 综上所述,该压缩包所包含的“Neusoft 校园招聘考试套题”是一套涵盖**嵌入式系统开发、Java语言编程、C++语言编程**等多个方向的专业考试题库。通过这些试题,可以全面考察应届生在计算机系统、编程语言、软件架构等方面的基础知识与实际应用能力。 嵌入式方向注重硬件与系统层面的理解,Java方向侧重于企业级开发与Web应用,C++方向则强调性能与底层控制。掌握这些知识点不仅有助于通过东软的校园招聘考试,也为未来在IT行业的职业发展打下坚实基础。对于准备应聘的应届生来说,建议系统学习上述各方向的核心知识点,并通过实际项目或实验加深理解与应用能力。

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ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} finishing=false state=PAUSED Line 56510: 08-28 16:38:16.881 1231 1335 D WindowManager: notifyClientEventLocked flag=1,data=Bundle[{taskId=32, userId=0, className=com.neusoft.carlink/.UCarMainActivity, pid=2288, uid=1000, state=pausing, displayId=0, packageName=com.neusoft.carlink, fillsParent=true, windowingMode=1}] Line 56511: 08-28 16:38:16.881 1231 1329 V ActivityManager: Skipping: already visible at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} Line 56512: 08-28 16:38:16.881 1231 1329 V ActivityManager: Home task: at TaskRecord{82e5541 #1 A=com.neusoft.launcher U=0 StackId=0 sz=1} stackShouldBeVisible=true behindFullscreenActivity=true Line 56513: 08-28 16:38:16.882 1231 1329 V ActivityManager: Trimming memory of ui hidden com.neusoft.launcher to 20 Line 56518: 08-28 16:38:16.884 2288 2288 D carlinkapp-2508026.0--UCarMainActivity: handleMessage: msg.what = 106 Line 56523: 08-28 16:38:16.892 1231 1362 V ActivityManager: ensureActivitiesVisible behind ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} configChanges=0x0 Line 56526: 08-28 16:38:16.892 1231 1362 V ActivityManager: Fullscreen: at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} stackInvisible=false behindFullscreenActivity=false Line 56527: 08-28 16:38:16.892 1231 1362 V ActivityManager: Make visible? ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} finishing=false state=PAUSED Line 56528: 08-28 16:38:16.893 1231 1362 V ActivityManager: Skipping: already visible at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} Line 56529: 08-28 16:38:16.893 1231 1362 V ActivityManager: Home task: at TaskRecord{82e5541 #1 A=com.neusoft.launcher U=0 StackId=0 sz=1} stackShouldBeVisible=true behindFullscreenActivity=true Line 56530: 08-28 16:38:16.894 1231 1362 I ActivityManager: Sleep still waiting to pause ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSING} Line 56531: 08-28 16:38:16.894 1231 1362 V ActivityManager: ensureActivitiesVisible behind ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} configChanges=0x0 Line 56532: 08-28 16:38:16.895 1231 1362 V ActivityManager: Fullscreen: at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} stackInvisible=false behindFullscreenActivity=false Line 56533: 08-28 16:38:16.895 1231 1362 V ActivityManager: Make visible? ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} finishing=false state=PAUSED Line 56534: 08-28 16:38:16.895 1231 1362 V ActivityManager: Skipping: already visible at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} Line 56535: 08-28 16:38:16.895 1231 1362 V ActivityManager: Home task: at TaskRecord{82e5541 #1 A=com.neusoft.launcher U=0 StackId=0 sz=1} stackShouldBeVisible=true behindFullscreenActivity=true Line 56568: 08-28 16:38:16.941 2288 2288 D carlinkapp-2508026.0--UCarMainActivity: onWindowFocusChanged: true mIsSDKInitialized =true Line 56573: 08-28 16:38:16.942 1231 1361 I SurfaceControl: Creating Surface(name=Surface(name=AppWindowToken{1995f41 token=Token{c63e628 ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=INITIALIZING}}} displayId:0)/@0x7712958 - animation-leash), parent=503043337984 Line 56578: 08-28 16:38:16.951 1231 1335 D ActivityManager: notifyActivityDrawn: token=Token{c63e628 ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSING}} Line 56582: 08-28 16:38:16.953 2288 2288 D carlinkapp-2508026.0--UCarGuideFragment: onPause: Line 56583: 08-28 16:38:16.954 1231 1362 V ActivityManager: Activity paused: token=Token{c63e628 ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSING}}, timeout=false Line 56584: 08-28 16:38:16.954 1231 1362 V ActivityManager: Moving to PAUSED: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSING} (pause complete) Line 56585: 08-28 16:38:16.954 1231 1362 V ActivityManager: Complete pause: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSING} Line 56586: 08-28 16:38:16.954 1231 1362 V ActivityManager: State movement: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSING} from:PAUSING to:PAUSED reason:completePausedLocked Line 56587: 08-28 16:38:16.955 1231 1362 V ActivityManager: Enqueue pending stop if needed: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} wasStopping=false visible=true Line 56588: 08-28 16:38:16.955 1231 1335 D WindowManager: notifyClientEventLocked flag=1,data=Bundle[{taskId=32, userId=0, className=com.neusoft.carlink/.UCarMainActivity, pid=2288, uid=1000, state=paused, displayId=0, packageName=com.neusoft.carlink, fillsParent=true, windowingMode=1}] Line 56589: 08-28 16:38:16.955 1231 1362 I ActivityManager: adding to waiting visible activity=ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} existing=[ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED}] Line 56590: 08-28 16:38:16.955 1231 1362 V ActivityManager: Scheduling idle now: forceIdle=trueimmediate=true Line 56591: 08-28 16:38:16.955 1231 1328 D ActivityManager: handleMessage: IDLE_NOW_MSG: r=null Line 56592: 08-28 16:38:16.955 1231 1362 V ActivityManager: Sleep still need to stop 1 activities Line 56593: 08-28 16:38:16.955 1231 1362 V ActivityManager: ensureActivitiesVisible behind ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} configChanges=0x0 Line 56594: 08-28 16:38:16.955 1231 1362 V ActivityManager: Make visible? ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} finishing=false state=PAUSED Line 56595: 08-28 16:38:16.955 1231 1362 V ActivityManager: Skipping: already visible at ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} Line 56596: 08-28 16:38:16.955 1231 1362 V ActivityManager: ensureActivitiesVisible behind ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} configChanges=0x0 Line 56597: 08-28 16:38:16.956 1231 1362 V ActivityManager: Fullscreen: at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} stackInvisible=false behindFullscreenActivity=false Line 56598: 08-28 16:38:16.956 1231 1362 V ActivityManager: Make visible? ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} finishing=false state=PAUSED Line 56599: 08-28 16:38:16.956 1231 1362 V ActivityManager: Skipping: already visible at ActivityRecord{9e5d71a u0 com.neusoft.launcher/.function.main.view.MainActivity t1 wm:1 type=home s=0 state=PAUSED} Line 56600: 08-28 16:38:16.956 1231 1362 V ActivityManager: Home task: at TaskRecord{82e5541 #1 A=com.neusoft.launcher U=0 StackId=0 sz=1} stackShouldBeVisible=true behindFullscreenActivity=true Line 56601: 08-28 16:38:16.957 1231 1328 D ActivityManager: allResumedActivitiesIdle: stack=1 null not idle Line 56602: 08-28 16:38:16.957 1231 1328 V ActivityManager: Stopping ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED}: nowVisible=false waitingVisible=true finishing=false Line 56603: 08-28 16:38:16.957 1231 1328 V ActivityManager: Ready to stop: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} Line 56604: 08-28 16:38:16.957 1231 1328 D ActivityManager: Stopping: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} Line 56605: 08-28 16:38:16.957 1231 1328 D ActivityManager: moveActivityStackToFront: already on top, r=ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} Line 56606: 08-28 16:38:16.957 1231 1328 V ActivityManager: Moving to STOPPING: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} (stop requested) Line 56607: 08-28 16:38:16.957 1231 1328 V ActivityManager: State movement: ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=PAUSED} from:PAUSED to:STOPPING reason:stopActivityLocked Line 56608: 08-28 16:38:16.957 1231 1328 V ActivityManager: Stopping visible=true for ActivityRecord{38ce23c u0 com.neusoft.carlink/.UCarMainActivity t32 wm:1 type=standard s=1 state=STOPPING} Line 56609: 08-28 16:38:16.957 1231 1335 D WindowManager: notifyClientEventLocked flag=1,data=Bundle[{taskId=32, userId=0, className=com.neusoft.carlink/.UCarMainActivity, pid=2288, uid=1000, state=stopping, displayId=0, packageName=com.neusoft.carlink, fillsParent=true, windowingMode=1}] Line 56610: 08-28 16:38:16.958 1231 1362 I WindowManager: updateSystemUiVisibilityLw:170e, winFlags=1706, fullscreenVisibility=0, diff=1406, fullscreenDiff=0, dockedDiff=0, win=Window{7044f1f u0 com.neusoft.carlink/com.neusoft.carlink.UCarMainActivity} Line 56611: 08-28 16:38:16.958 1231 1328 D ActivityManager: handleMessage: IDLE_NOW_MSG: r=null Line 56612: 08-28 16:38:16.958 1231 1328 D ActivityManager: allResumedActivitiesIdle: stack=1 null not idle Line 56613: 08-28 16:38:16.959 1231 1362 I SurfaceControl: Creating Surface(name=Surface(name=420cd7c StatusBar)/@0xb82b9b3 - animation-leash), parent=503096659264 Line 56624: 08-28 16:38:16.966 2288 2288 D carlinkapp-2508026.0--UCarGuideFragment: onStop:这是问题log

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