阿里巴巴校园招聘面试试题合集总结

1、1.forwardredirect目标地址的URL,把那个URLredirect是服务端根据逻辑,发送一个状态码,告诉浏览器重新去请求那个地址.1.forwardredirect目标地址的URL,把那个URLredirect是服务端根据逻辑,发送一个状态码,告诉浏览器重新去请求那个地址.URL. 等servletdogett做的都是web项目，在那个框架中，servlet由前两个问题牵引出web.xml文件配置中都有哪些属性，以及他的作用spring 了解吗 3，所知道的MVC（ 9，Struts 用的什么版本。10，3，所知道的MVC（ 9，Struts 用的什么版本。10，Struts2用

2、过吗？和 画出STRUTSjsp的流程图， web.xml文件配置中都有哪些属性，以及他的作用spring 了解吗 Strutsibatis Hibernate servlet spring 的两个主要特性(AOP S J2EE的要求,TOMCAT J2EEHibernate 伸的一些SqlUML伸的一些SqlUMLOracle中的分页Sqljava的多态。java 设计模式。struts,springjavaspring mvc4567JavaHashtableHashMapArrayList的特点JavaHashtableHashMapArrayList的特点容器是如何扩充的Propert

3、iesStruts2方式可以动态的创建对象？（CGLIB,揪心中，结果他没问Struts2ActionSpringStruts2请说一下，你觉得你最熟悉的技术特点？ （我提到了并发编程请说一下线程池的中断策略(4TomcatJavaServletStruts2请说一下，你觉得你最熟悉的技术特点？ （我提到了并发编程请说一下线程池的中断策略(4TomcatJavaServlet？（我提到了推线程安全下，StringBufferStringBuilder代码数组容量的？ （Tomcat？（我提到观察者模式Java（我说我不太清楚 他说没关系 - -并未深究？疑问吗？ （-本意是指培训，但是话没说清

4、楚”，囧了Java（我说我不太清楚 他说没关系 - -并未深究？疑问吗？ （-本意是指培训，但是话没说清楚”，囧了PS，你对Java的集合框架了解吗？ 能否说说常用的类Java说说HashtableHashMap说说HashtableHashMap的区别(源代码1.Hashtablesynchronized2.HashMapAbstractMap,HashtableDictionaryMapMapkeyhashHashtablekeyhashJava=0 sh 2.HashMapAbstractMap,HashtableDictionaryMapMapkeyhashHashtablekeyha

5、shJava=0 sh Java=null) 0 sh Java=Java=4.为 16*0.75 , Hashtable 为 Javass=new Javass4.为 16*0.75 , Hashtable 为 Javass=new Javass=new Javapublic new *Java)(initialCapacity 4new *Java)(initialCapacity 4平时除了ArrayListLinkedListListArrayListLinkedListList2ArrayListLinkedListObjectJavaprivate transient= Entry

6、(null, Entry previous;/next, Javaprivate transient= Entry(null, Entry previous;/next, JavaEntry previous;/next, =形式不同。 ArrayListAbstractList,LinkedListAbstractSequentialList.List接列表（Java1.3.Java4. 6. ArrayListArrayListJava=形式不同。 ArrayListAbstractList,LinkedListAbstractSequentialList.List接列表（Java1.3.

7、Java4. 6. ArrayListArrayListJava=newCapacity (newCapacity =Java=/这里扩充的大小为原大小的大概 =newCapacity (newCapacity =Java=/这里扩充的大小为原大小的大概 =PropertiesPropertiesHashtable,Javapublic synchronized void load(InputStream inStream) IOException / 将输入流转换成 load0(new void load0(LineReader lr) char convtBuf = new char /

8、一行一行处理(limit c = keyLen load0(new void load0(LineReader lr) char convtBuf = new char / 一行一行处理(limit c = keyLen = hasSep precedingBackslash = / 下面用 2while (keyLen limit) c= need check if (c = = | c = !precedingBackslash) valueStart = keyLen + hasSep = if (c = | c = t | !precedingBackslash) valueStart

9、 = keyLen + hasSep = if (c = | c = t | !precedingBackslash) = + = precedingBackslash precedingBackslash while (valueStart limit) c = if (c & c != t c != (!hasSep & (c = | c = hasSep = else String key = loadConvert(lr.lineBuf, 0, keyLen, String value = loadConvert(lr.lineBuf, valueStart, - String key

10、 = loadConvert(lr.lineBuf, 0, keyLen, String value = loadConvert(lr.lineBuf, valueStart, - valueStart, / 存put(key, Javapublic synchronized void IOException / 将输入流转换成 load0(new private void load0(LineReader lr) throws IOException char convtBuf = new char / 一行一行处理(limit = c = keyLen = hasSep preceding

11、Backslash = / 下面用 2(keyLen char / 一行一行处理(limit = c = keyLen = hasSep precedingBackslash = / 下面用 2(keyLen limit) c= need check if (c = = | c = & !precedingBackslash) valueStart = keyLen hasSep = else if (c = | = t | c = & !precedingBackslash) valueStart = keyLen + if (c = ) precedingBackslash = else

12、precedingBackslash = (valueStart limit) c = if (c = ) precedingBackslash = else precedingBackslash = (valueStart class LineReader LineReader(InputStream this.inStream inByteBuf = - valueStart, / 存入Javastyle=FONT-WEIGHT: normalclass LineReader LineReader(InputStream this.inStream inByteBuf = reader)

13、this.reader = inCharBuf = new lineBuf = new inLimit = inOff = InputStream Reader *throws throws IOException = c= skipWhiteSpace = true;/ 空白mentLine = false;/ 注释isNewLine = appendedLineBeginInputStream Reader *throws throws IOException = c= skipWhiteSpace = true;/ 空白mentLine = false;/ 注释isNewLine = a

14、ppendedLineBegin false;/ 加 precedingBackslash false;/ 反斜杠skipLF (true) if = inLimit) inLimit = (inStream = null) ? :inOff = if (inLimit 0) if = 0 return -return (inStream !=:inOff = if (inLimit 0) if = 0 return -return (inStream != null) c=(char) (0 xff & else c=skipLF = if (c = n) (skipWhiteSpace)

15、if (c = | c t | if (!appendedLineBegin c)skipWhiteSpace = (skipWhiteSpace) if (c = | c t | if (!appendedLineBegin c)skipWhiteSpace = appendedLineBegin = (isNewLine) = if (c # | c = mentLine = (c != n & c != r) / lineBuflen+ = (len = lineBuf.length) newLength lineBuf.length * if (newLength 0) =char b

16、uf = new System.arraycopy(lineBuf, 0, (len = lineBuf.length) newLength lineBuf.length * if (newLength 0) =char buf = new System.arraycopy(lineBuf, 0, buf, lineBuf = (c = ) = else = else reached EOL 文件结束(mentLine | = 0) mentLine = isNewLine = skipWhiteSpace = len = (inOff = inLimit) inLimit = (inStre

17、am = null) ? : inOff = if (inOff = inLimit) inLimit = (inStream = null) ? : inOff = if (inLimit class LineReader LineReader(InputStream this.inStream inByteBuf = reader) this.reader Javastyle=FONT-WEIGHT: normalclass LineReader LineReader(InputStream this.inStream inByteBuf = reader) this.reader = i

18、nCharBuf = new lineBuf = new inLimit = inOff = InputStream Reader *throws throws IOException = c= skipWhiteSpace = true;/ 空白mentLine = false;/ 注释isNewLine = appendedLineBegin false;/ 加 precedingBackslash *throws throws IOException = c= skipWhiteSpace = true;/ 空白mentLine = false;/ 注释isNewLine = appendedLineBegin false;/ 加 precedingBackslash false;/ 反斜杠skipLF (true) if = inLimit) inLimit = (inStream = null) ? : inOff = if (inLimit = inLimit) inLimit = (inStream = ? : inOff = if (inLimit = 0) return (precedingBackslash) len -= skipWhiteSpace =inOff = if (inLimit = 0) retur