当前分类： SCJP程序员认证考试
问题：多选题10. public class MyClass { 11. 12. public Integer startingI； 13. public void methodA（） { 14. Integer i = new Integer（25）； 15. startingI = i； 16. methodB（i）； 17. } 18. private void methodB（Integer i2） { 19. i2 = i2.intValue（）； 20. 21. } 22. ...
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问题：单选题How can you create a listener class that receives events when the mouse is moved？（）A By extending MouseListener.B By implementing MouseListener.C By extending MouseMotionListener.D By implementing MouseMotionListener.E Either by extending MouseMot...
问题：单选题public class Foo { public void main（ String[] args ） { System.out.println（ “Hello” + args[0] ）； } } What is the result if this code is executed with the command line？（）A HelloB Hello FooC Hello worldD Compilation fails.E The code does not ru...
问题：Which is the earliest line in the following code after which...
问题：多选题Which two statements are reserved words in Java？（）ARunBImportCDefaultDImplement...
问题：多选题class A { } class Alpha { private A myA = new A（）； void dolt（ A a ） { a = null； } void tryIt（） { dolt（ myA ）； } } Which two statements are correct？（）AThere are no instanced of A that will become eligible for garbage collection.BExplicitly se...
问题：单选题Float pi = new Float（3.14f）； if（pi3） { System.out.print（”pi is bigger than 3. “）； } else { System.out.print（”pi is not bigger than 3. “）； } finally { System.out.println（”Have a nice day.”）； } What is the result？（）A Compilation fails.B pi is ...
问题：单选题What will be written to the standard output when the following program is run？（） public class Q63e3 { public static void main（String args[]） { System.out.println（9 ^ 2）； } }A 81B 7C 11D 0E false...
问题：public interface Foo{ int k = 4； } Which three are equi...
问题：Which of the following statements are legal？（） ...
问题：单选题public class Foo { public void main （String [] args） { system.out.printIn（“Hello World.”）； } } What is the result？（）A An exception is thrown.B The code does no compile.C “Hello World.” Is printed to the terminal.D The program exits without pri...
问题：Which two statements are true regarding the creation of a de...
问题：Which statement is true for the class java.util.ArrayList？（）...
问题：多选题Which two are equivalent？（）A3/2B32C3*4D32E3*2^2F32...
问题：单选题10. interface Foo {} 11. class Alpha implements Foo {} 12. class Beta extends Alpha {} 13. class Delta extends Beta { 14. public static void main（ String[] args） { 15. Beta x = new Beta（）； 16. // insert code here 17. } 18. } Which code， insert...
问题：11. static class A { 12. void process（） throws Exception { ...
问题：11. public enum Title { 12. MR（”Mr.”）， MRS（”Mrs.”）， MS（”Ms....
问题：Which method is an appropriate way to determine the cosine o...
问题：10. public Object m（） { 11. Object o = new Float（3.14F）； 12....
问题：单选题public class X { public static void main （Stringargs） { string s = new string （“Hello”）； modify（s）； System.out.printIn（s）； } public static void modify （String s） { s += “world!”； } } What is the result？（）A The program runs and print...
