当前分类: 1z0-851
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....
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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: What is the result?()A 2B 24C 234D 246E 2346F Compilation fails....
问题:单选题Given: What is the result?()A Afoo AfooB Afoo BfooC Bfoo AfooD Bfoo BfooE Compilation fails.F An exception is thrown at runtime....
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Given: What is the result?()A 1B 2C 12D Compilation fails.E No output is produced.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: What is the output?()A 42B 420C 462D 42042E Compilation fails.F An exception is thrown at runtime....
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: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Given: Which two code fragments, inserted independently at line 13, will compile?()Asuper(name, baseSalary);Bthis.commission = commission;Csuper();this.commission = commission;Dthis.commission = commission;super();Esuper(name, baseSalary);this.commis...
问题:单选题Given classes defined in two different files: What is required at line 5 in class SomeApp to use the process method of BitUtils?()A process(bytes);B BitUtils.process(bytes);C app.BitUtils.process(bytes);D util.BitUtils.process(bytes);E import uti...
问题:多选题A company has a business application that provides its users with many different reports: receivables reports, payables reports, revenue projects, and so on. The company has just purchased some new, state-of-the-art, wireless printers, and a programmer...
问题:多选题Which three statements are true?()AA final method in class X can be abstract if and only if X is abstract.BA protected method in class X can be overridden by any subclass of X.CA private static method can be called only within other static methods in c...
问题:单选题Click the Exhibit button. Which statement is true about the classes and interfaces in the exhibit?()A Compilation will succeed for all classes and interfaces.B Compilation of class C will fail because of an error in line 2.C Compilation of class C ...