A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion， they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself.
What design issue has the team discovered？（）
A.Tight coupling
B.Low cohesion
C.High cohesion
D.Loose coupling
E.Weak encapsulation
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Given：
11.double input = 314159.26；
12.NumberFormat nf = NumberFormat.getInstance（Locale.ITALIAN）；
13.String b；
14.//insert code here
Which code， inserted at line 14， sets the value of b to 314.159，26？（）
A.b = nf.parse（ input ）；
B.b = nf.format（ input ）；
C.b = nf.equals（ input ）；
D.b = nf.parseObject（ input ）；
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
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.
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.
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.
Given：
12.Date date = new Date（）；
13.df.setLocale（Locale.ITALY）；
14.String s = df.format（date）；
The variable df is an object of type DateFormat that has been initialized in line 11.
What is the result if this code is run on December 14， 2000？（）
A.The value of s is 14-dic-2000.
B.The value of s is Dec 14， 2000.
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 13.
Given：
What is the result？（）
A.int Long
B.Short Long
C.Compilation fails.
D.An exception is thrown at runtime.
Given：
Which statement is true？（）
A.Compilation fails.
B.An exception is thrown at runtime.
C.Synchronizing the run（） method would make the class thread-safe.
D.The data in variable "x" are protected from concurrent access problems.
E.Declaring the doThings（） method as static would make the class thread-safe.
Given that Triangle implements Runnable， and：
Which two statements， inserted independently at both lines 35 and 41， tend to allow both threads totemporarily pause and allow the other thread to execute？（）
A.Thread.wait（）；
B.Thread.join（）；
C.Thread.yield（）；
D.Thread.sleep（1）；
E.Thread.notify（）；
Given：
Which three changes should be made to adapt this class to be used safely by multiple threads？（）
A.declare reset（） using the synchronized keyword
B.declare getName（） using the synchronized keyword
C.declare getCount（） using the synchronized keyword
D.declare the constructor using the synchronized keyword
E.declare increment（） using the synchronized keyword
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