网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
多选题
Assume session is an HttpSession， and is not referenced anywhere else in ServletA. Which two changes， taken together， ensure that value is equal to “Hello” on line 23？ （）
A
A
B
B
C
C
D
D
E
E
参考答案
参考解析
解析：
暂无解析
更多 “多选题Assume session is an HttpSession， and is not referenced anywhere else in ServletA. Which two changes， taken together， ensure that value is equal to “Hello” on line 23？ （）AABBCCDDEE” 相关考题
考题
Given:Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5, ?()
A.move the line 12 print statement into the foo() methodB.change line 7 to public synchronized void go() {C.change the variable declaration on line 2 to private volatile int x;D.wrap the code inside the foo() method with a synchronized( this ) blockE.wrap the for loop code inside the go() method with a synchronized block synchronized(this){ //for loop code here }
考题
Which of the following is a characteristic of a sequence?()
A.A sequence will never generate duplicate valuesB.The MAXVALUE of a sequence can be equal to the MINVALUEC.It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zeroD.When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
考题
Given an HttpServletRequest request and an HttpServletResponse response： 41.HttpSession session = null； 42.// insert code here 43.if（session == null） { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To implement the design intent，which statement must be inserted at line 42？（）A、session = response.getSession（）；B、session = request.getSession（）；C、session = request.getSession（true）；D、session = request.getSession（false）；E、session = request.getSession（"jsessionid"）；
考题
You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server. Which two changes would ensure that the temporary table does not propagate to the slave?（）A、Use the – replicate-do-db, — replicate-do-table, or – replicate-wild-do-table option with the value equal to OLD_INVENTORYB、Change the binlog_format option to ROW and restart mysqld before you create the OLD_INVENTORY tableC、Stop SQL_THREAD on the slave until you have finished using the OLD_INVENTORY temporary tableD、Set binlog_format=MIXED with the – replicate-ignore-temp-table optionE、Use the – replicate-ignore-table option with the value equal to OLD_INENTORY.OLD_INVENTORY and restart mysqld before creating the temporary table
考题
Which of the following is a characteristic of a sequence?（）A、A sequence will never generate duplicate valuesB、The MAXVALUE of a sequence can be equal to the MINVALUEC、It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zeroD、When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
考题
Given an HttpServletRequest request： 22.String id = request.getParameter（"jsessionid"）； 23.// insert code here 24.String name = （String） session.getAttribute（"name"）； Which three can be placed at line 23 to retrieve anexisting HttpSession object？（）A、HttpSession session = request.getSession（）；B、HttpSession session = request.getSession（id）；C、HttpSession session = request.getSession（true）；D、HttpSession session = request.getSession（false）；E、HttpSession session = request.getSession（"jsessionid"）；
考题
Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）A、LDP hello packets are sent to TCP 646.B、LDP session packets are sent to TCP 646.C、LDP session packets are sent to TCP 711.D、LDP hello packets are sent to TCP 711.E、LDP hello packets are sent to UDP 711.F、LDP hello packets are sent to UDP 646.
考题
Given that a scoped attribute cart exist only in a user’s session， which two， taken independently， ensure the scoped attribute cart no longer exists？（）A、 ${cart = null } B、 c：remove var=”cart” / C、 c：remove var=”${cart}” / D、 c：remove var=”cart” scope=”session” / E、 c：remove scope=”session”cart/c：removeF、 c：remove var=”${cart}” scope=”session” / G、 c：remove scope=”session”${cart}/c：remove
考题
Which HttpSession method stores an object in a session？（）A、 put（String name. Object value）B、 set（String name. Object value）C、 setAttribute（String name. Object value）D、 putAttribute（String name. Object value）E、 addAttribute（String name. Object value）
考题
Given that session is a valid HttpSession object： Int max = session.getAttribute（“MyReallyLongName”）； Which is true？（） A、 The value returned needs to be cast to an int.B、 The getAttribute methos takes two arguments.C、 Primitive CANNOT be stored in the HttpSession.D、 The HttpSession attribute name must NOT exceed eight characters.
考题
public class TestFive { private int x； public void foo（） { int current = x； x = current + 1； } public void go（） { for（int i=0；i5；i++） { new Thread（） { public void run（） { foo（）； System.out.print（x + “， “）； } }.start（）； }}} Which two changes， taken together， would guarantee the output： 1， 2， 3， 4， 5， ？（）A、 Move the line 12 print statement into the foo（） method.B、 Change line 7 to public synchronized void go（） {.C、 Change the variable declaration on line 3 to private volatile int x；.D、 Wrap the code inside the foo（） method with a synchronized（ this ） block.E、 Wrap the for loop code inside the go（） method with a synchronized block synchronized（this） { // for loop code here }.
考题
多选题You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server. Which two changes would ensure that the temporary table does not propagate to the slave?（）AUse the – replicate-do-db, — replicate-do-table, or – replicate-wild-do-table option with the value equal to OLD_INVENTORYBChange the binlog_format option to ROW and restart mysqld before you create the OLD_INVENTORY tableCStop SQL_THREAD on the slave until you have finished using the OLD_INVENTORY temporary tableDSet binlog_format=MIXED with the – replicate-ignore-temp-table optionEUse the – replicate-ignore-table option with the value equal to OLD_INENTORY.OLD_INVENTORY and restart mysqld before creating the temporary table
考题
单选题Given that session is a valid HttpSession object： Int max = session.getAttribute（“MyReallyLongName”）； Which is true？（）A
The value returned needs to be cast to an int.B
The getAttribute methos takes two arguments.C
Primitive CANNOT be stored in the HttpSession.D
The HttpSession attribute name must NOT exceed eight characters.
考题
多选题Assume the scoped attribute priority does NOT yet exist. Which two create and set a new request-scopedattribute priority to the value "medium"？（）A${priority = ’medium’}B${requestScope[’priority’] = ’medium’}Cc：set var=priority value=medium /Dc：set var=priority scope=requestmedium/c：setEc：set var=priority value=medium scope=request /
考题
多选题Which four statements correctly describe functions that are available in SQL? （）AINSTR returns the numeric position of a named character.BNVL2 returns the first non-null expression in the expression list.CTRUNCATE rounds the column, expression, or value to n decimal places.DDECODE translates an expression after comparing it to each search value.ETRIM trims the heading or trailing characters (or both) from a character string.FNVL compares two expressions and returns null if they are equal, or the first expression if they are not equal.GNULLIF compares two expressions and returns null if they are equal, or the first expression if they are not equal.
考题
多选题public class TestFive { private int x； public void foo（） { int current = x； x = current + 1； } public void go（） { for（int i=0；i5；i++） { new Thread（） { public void run（） { foo（）； System.out.print（x + “， “）； } }.start（）； }}} Which two changes， taken together， would guarantee the output： 1， 2， 3， 4， 5， ？（）AMove the line 12 print statement into the foo（） method.BChange line 7 to public synchronized void go（） {.CChange the variable declaration on line 3 to private volatile int x；.DWrap the code inside the foo（） method with a synchronized（ this ） block.EWrap the for loop code inside the go（） method with a synchronized block synchronized（this） { // for loop code here }.
考题
单选题Which HttpSession method stores an object in a session？（）A
put（String name. Object value）B
set（String name. Object value）C
setAttribute（String name. Object value）D
putAttribute（String name. Object value）E
addAttribute（String name. Object value）
考题
单选题Given an HttpServletRequest request and an HttpServletResponse response： 41.HttpSession session = null； 42.// insert code here 43.if（session == null） { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To implement the design intent，which statement must be inserted at line 42？（）A
session = response.getSession（）；B
session = request.getSession（）；C
session = request.getSession（true）；D
session = request.getSession（false）；E
session = request.getSession（jsessionid）；
考题
多选题Given an HttpServletRequest request： 22.String id = request.getParameter（"jsessionid"）； 23.// insert code here 24.String name = （String） session.getAttribute（"name"）； Which three can be placed at line 23 to retrieve anexisting HttpSession object？（）AHttpSession session = request.getSession（）；BHttpSession session = request.getSession（id）；CHttpSession session = request.getSession（true）；DHttpSession session = request.getSession（false）；EHttpSession session = request.getSession（jsessionid）；
考题
多选题Given that a scoped attribute cart exist only in a user’s session， which two， taken independently， ensure the scoped attribute cart no longer exists？（）A${cart = null }Bc：remove var=”cart” /Cc：remove var=”${cart}” /Dc：remove var=”cart” scope=”session” /Ec：remove scope=”session”cart/c：removeFc：remove var=”${cart}” scope=”session” /Gc：remove scope=”session”${cart}/c：remove
考题
多选题Given that a scoped attribute cart exists only in a user’s session， which two， taken independently， ensure the scoped attribute cart no longer exists？（）A ${cart = null} Bc：remove var=cart /Cc：remove var=${cart} /Dc：remove var=cart scope=session /Ec：remove scope=sessioncart/c：removeFc：remove var=${cart} scope=session /Gc：remove scope=session${cart}/c：remove
考题
多选题Which two statements are true regarding single row functions?（）AThey accept only a single argumentBThey can be nested only to two levelsCArguments can only be column values or constantsDThey always return a single result row for every row of a queried tableEThey can return a data type value different from the one that is referenced
考题
多选题Given that a scoped attribute cart exists only in a user’s session， which two，taken independently，ensurethe scoped attribute cart no longer exists？（）A${cart = null}Bc：remove var=cart /Cc：remove var=${cart} /Dc：remove var=cart scope=session /Ec：remove scope=sessioncart/c：remove
考题
多选题Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）ALDP hello packets are sent to TCP 646.BLDP session packets are sent to TCP 646.CLDP session packets are sent to TCP 711.DLDP hello packets are sent to TCP 711.ELDP hello packets are sent to UDP 711.FLDP hello packets are sent to UDP 646.
考题
多选题You need to store a floating point number，called Tsquare，in the session scope. Which two code snippetsallow you to retrieve this value？（）Afloat Tsquare = session.getFloatAttribute（Tsquare）；Bfloat Tsquare = （Float） session.getAttribute（Tsquare）；Cfloat Tsquare = （float） session.getNumericAttribute（Tsquare）；Dfloat Tsquare = （（Float） session.getAttribute.（Tsquare））.floatValue（）；Efloat Tsquare = （（Float） session.getFloatAttribute.（Tsquare））.floatValue；
考题
多选题Assume session is an HttpSession， and is not referenced anywhere else in ServletA. Which two changes， taken together， ensure that value is equal to “Hello” on line 23？ （）AABBCCDDEE
考题
单选题Which of the following is a characteristic of a sequence?（）A
A sequence will never generate duplicate valuesB
The MAXVALUE of a sequence can be equal to the MINVALUEC
It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zeroD
When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
考题
多选题When configuring a scheduler map, which two are referenced?（）AForwarding ClassBSchedulerCRewrite RulesDPriority
热门标签
最新试卷
