单选题Given： What is the result？（）ACompilation succeeds.BCompilation fails due to multiple errors.CCompilation fails due to an error only on line 20.DCompilation fails due to an error only on line 21.ECompilation fails due to an error only on line 22.

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单选题

Given： What is the result？（）

Compilation succeeds.

Compilation fails due to multiple errors.

Compilation fails due to an error only on line 20.

Compilation fails due to an error only on line 21.

Compilation fails due to an error only on line 22.

更多“单选题Given： What is the result？（）A Compilation succeeds.B Compilation fails due to multiple errors.C Compilation fails due to an error only on line 20.D Compilation fails due to an error only on line 21.E Compilation fails due to an error only on line”相关问题

第1题

1. package foo； 2. 3. import java.util.Vector； 4. 5. protected class MyVector Vector { 6. init i = 1； 7. public MyVector（） { 8. i = 2； 9. } 10. } 11. 12. public class MyNewVector extends MyVector { 13. public MyNewVector（） { 14. i = 4； 15. } 16. public static void main（String args[]） { 17. MyVector v = new MyNewVector（）； 18. } 19. } What is the result？（） A、 Compilation succeeds.B、 Compilation fails because of an error at line 5.C、 Compilation fails because of an error at line 6.D、 Compilation fails because of an error at line 14.E、 Compilation fails because of an error at line 17.

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第2题

单选题1. interface DoStuff2 { 2. float getRange（int low， int high）； } 3. 4. interface DoMore { 5. float getAvg（int a， int b， int c）； } 6. 7. abstract class DoAbstract implements DoStuff2， DoMore { } 8. 9. class DoStuff implements DoStuff2 { 10. public float getRange（int x， int y） { return 3.14f； } } 11. 12. interface DoAll extends DoMore { 13. float getAvg（int a， int b， int c， int d）； } What is the result？（）AThe file will compile without error.BCompilation fails. Only line 7 contains an error.CCompilation fails. Only line 12 contains an error.DCompilation fails. Only line 13 contains an error.ECompilation fails. Only lines 7 and 12 contain errors.FCompilation fails. Only lines 7 and 13 contain errors.GCompilation fails. Lines 7， 12， and 13 contain errors.

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第3题

单选题Given: What is the result?（）AtestBnullCAn exception is thrown at runtime.DCompilation fails because of an error in line 1.ECompilation fails because of an error in line 4.FCompilation fails because of an error in line 5.

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第4题

单选题Given： What is the result？（）ACompilation fails due to an error in line 23.BCompilation fails due to an error in line 29.CA ClassCastException occurs in line 29.DA ClassCastException occurs in line 31.EThe value of all four objects prints in natural order.

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第5题

单选题Given: What is the result?（）ACanadaBnull CanadaCCanada nullDCanada CanadaECompilation fails due to an error on line 26.FCompilation fails due to an error on line 29.

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第6题

单选题Given: What is the result?（）ABBB, followed by an Exception.CCompilation fails due to an error on line 9.DCompilation fails due to an error on line 14.EAn Exception is thrown with no other output.

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第7题

单选题Given： What is the result？（）AIf you define D e = new E（）， then e.bMethod（） invokes the version of bMethod（） defined in Line 5.BIf you define D e = （D）（new E（））， then e.bMethod（） invokes the version of bMethod（） defined in Line 5.CCompilation fails because of an error in line 9.DIf you define D e = （D）（new E（））， then e.bMethod（） invokes the version of bMethod（） defined in Line 9.ECompilation fails because of an error in line 3.FCompilation fails because of an error in line 7.

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单选题Given： What is the result？（）A Compilation succeeds.B Compilation fails due to multiple errors.C Compilation fails due to an error only on line 20.D Compilation fails due to an error only on line 21.E Compilation fails due to an error only on line

题目

更多“单选题Given： What is the result？（）A Compilation succeeds.B Compilation fails due to multiple errors.C Compilation fails due to an error only on line 20.D Compilation fails due to an error only on line 21.E Compilation fails due to an error only on line”相关问题

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