A.static final int[] a = { 100，200 }；
B.static final int[] a； static { a=new int[2]； a[0]=100； a[1]=200； }
C.static final int[] a = new int[2]{ 100，200 }；
D.static final int[] a； static void init（） { a = new int[3]； a[0]=100； a[1]=200； }
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Click the Exhibit button.
What is the result？（）
A.Line 26 prints "a" to System.out.
B.Line 26 prints "b" to System.out.
C.An exception is thrown at line 26 at runtime.
D.Compilation of class A will fail due to an error in line 6.
Given.
Which two statements are true？（）
A.Foo.beta（） is a valid invocation of beta（）.
B.Foo.alpha（） is a valid invocation of alpha（）.
C.Method beta（） can directly call method alpha（）.
D.Method alpha（） can directly call method beta（）.
Given：
What is the result when the programmer attempts to compile the code and run it with the command java Converter 12？（）
A.It is true that j==i.
B.It is false that j==i.
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 13.
Given：
What is the result？（）
A.true true
B.false true
C.true false
D.false false
Given：
What creates the appropriate DateFormat object and adds a day to the Date object？（）
A.35. DateFormat df = DateFormat.getDateFormat（）；42. d.setTime（ （60 * 60 * 24） + d.getTime（））；
B.35. DateFormat df = DateFormat.getDateInstance（）；42. d.setTime（ （1000 * 60 * 60 * 24） + d.getTime（））；
C.35. DateFormat df = DateFormat.getDateFormat（）；42. d.setLocalTime（ （1000*60*60*24） + d.getLocalTime（））；
D.35. DateFormat df = DateFormat.getDateInstance（）；42. d.setLocalTime（ （60 * 60 * 24） + d.getLocalTime（））；
Given：
11.String test = "a1b2c3"；
12.String[] tokens = test.split（"\\d"）；
13.for（String s： tokens） System.out.print（s + " "）；
What is the result？（）
A.a b c
B.1 2 3
C.a1b2c3
D.a1 b2 c3
A.String s = c.readLine（）；
B.char[] c = c.readLine（）；
C.String s = c.readConsole（）；
D.char[] c = c.readConsole（）；
E.String s = c.readLine（"%s"， "name "）；
Given：
12.String csv = "Sue，5，true，3"；
13.Scanner scanner = new Scanner（ csv ）；
14.scanner.useDelimiter（"，"）；15. int age = scanner.nextInt（）；
What is the result？（）
A.Compilation fails.
B.After line 15， the value of age is 5.
C.After line 15， the value of age is 3.
D.An exception is thrown at runtime.
A.Objects from classes that use aggregation cannot be serialized.
B.An object serialized on one JVM can be successfully deserialized on a different JVM.
C.The values in fields with the volatile modifier will NOT survive serialization and deserialization.
D.The values in fields with the transient modifier will NOT survive serialization and deserialization.
E.It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.
Given：
Which two statements are true about the result if the default locale is Locale.US？（）
A.The value of b is 2.
B.The value of a is 3.14.
C.The value of b is 2.00.
D.The value of a is 3.141.
E.The value of a is 3.1415.
F.The value of a is 3.1416.
最新试题
Given：Which two code fragments， inserted independently at line 5， will compile without warnings？（）
Given：What is the result？（）
Given a correctly compiled class whose source code is：Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that theclasspath contains "." （current directory）.Which command line correctly runs Commander？（）
Given：Which code， inserted at line 16， correctly retrieves a local instance of a Point object？（）
Given：Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection？（）
Given：What is the result？（）
Given：When the doSomething method is called， after which line does the Object created in line 5 become available for garbage collection？（）
Click the Exhibit buttonWhich two statements are true if a NullPointerException is thrown on line 3 of class C？（）
Given：What is the result？（）
Given：What is the result？（）