当前分类： 1z0-851
问题：多选题Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?（）Adouble getSalesAmount() { return 1230.45; }Bpublic double getSalesAmount() { return 1230.45; }Cprivate double getSalesAmount() { return 1230.45; }Dprote...
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问题：单选题Given: What is the result?（）A HelloB Hello WorldC Compilation fails.D Hello World 5E The code runs with no output.F An exception is thrown at runtime....
问题：单选题Given that t1 is a reference to a live thread, which is true?（）A The Thread.sleep() method can take t1 as an argument.B The Object.notify() method can take t1 as an argument.C The Thread.yield() method can take t1 as an argument.D The Thread.setPriorit...
问题：单选题Given: Which code, inserted at line 14, allows the Sprite class to compile?（）A Direction d = NORTH;B Nav.Direction d = NORTH;C Direction d = Direction.NORTH;D Nav.Direction d = Nav.Direction.NORTH;...
问题：单选题Given: What is the result?（）A 2B 24C 234D 246E 2346F Compilation fails....
问题：多选题Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?（）AWhen using versions of Java technology earlier than 5.0.BWhen sharing a StringBuffer among multiple threads.CWhen using the java.io class StringBufferInput...
问题：多选题Click the Exhibit button. Which three code fragments, added individually at line 29, produce the output 100?（）An = 100;Bi.setX( 100 );Co.getY().setX( 100 );Di = new Inner(); i.setX( 100 );Eo.setY( i ); i = new Inner(); i.setX( 100 );Fi = new Inner(); i...
问题：单选题Given: When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?（）A Line 5B Line 6C Line 7D Line 8E Line 9F Line 10...
问题：单选题A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java-classpath /t...
问题：单选题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 ...
问题：单选题Given: What is the result?（）A testB ExceptionC Compilation fails.D NullPointerException...
问题：单选题A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0, object), but does NOT need to support quick random access. What supports these requirements?（）A java.util.QueueB java.util.ArrayListC java....
问题：单选题Given: What is the result?（）A The code runs with no output.B An exception is thrown at runtime.C Compilation fails because of an error in line 20.D Compilation fails because of an error in line 21.E Compilation fails because of an error in line 2...
问题：单选题Given: What is the output?（）A 42B 420C 462D 42042E Compilation fails.F An exception is thrown at runtime....
问题：单选题Given: What is the result?（）A 1B 2C 12D Compilation fails.E No output is produced.F An exception is thrown at runtime....
