单项选择题
Given：
If an instance of class Beagle is created，then Serialized，then deSerialized， what is the result？（）
A.ad
B.ada
C.add
D.adad
点击查看答案
相关考题
-
单项选择题
Given： 11.String test = "This is a test"； 12.String[] tokens = test.split（"\s"）； 13.System.out.println（tokens.length）； What is the result？（）
A.0
B.1
C.4
D.Compilation fails. -
单项选择题
Given that c is a reference to a valid java.io.Console object， and： 11.String pw = c.readPassword（"%s"， "pw： "）； 12.System.out.println（"got " + pw）； 13.String name = c.readLine（"%s"， "name： "）； 14.System.out.println（" got "， name）； If the user types fido when prompted for a password， and then responds bob when prompted for a name，what is the result？（）
A.An exception is thrown at runtime
B.pw： fido got fido name： bob got bob
C.pw： got fido name： bob got bob
D.Compilation fails. -
多项选择题
WhichtwoscenariosareNOTsafetoreplaceaStringBufferobjectwithaStringBuilderobject？（）
A.When using versions of Java technology earlier than 5.0.
B.When sharing a StringBuffer among multiple threads.
C.When using the java.io class StringBufferInputStream.
D.When you plan to reuse the StringBuffer to build more than one string.
