itgle.com

单选题12. Date date = new Date();  13. df.setLocale(Locale.ITALY);  14. String s = df.format(date);  The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?()AThe valu

题目
单选题
12. Date date = new Date();  13. df.setLocale(Locale.ITALY);  14. String s = df.format(date);  The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?()
A

 The value of s is 14-dic-2004.

B

 The value of s is Dec 14, 2000.

C

 An exception is thrown at runtime.

D

 Compilation fails because of an error in line 13.


相似考题
更多“单选题12. Date date = new Date();  13. df.setLocale(Locale.ITALY);  14. String s = df.format(date);  The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?()A  The va”相关问题
  • 第1题:

    下列程序将Date对象写入文件file42.txt中,选择正确的语句填入下列程序中的横线处。 package ch1; impbrt java. io. *; import java. util. *; public class ex42 { static String fileName = "ch1\\file42.txt"; static Date date = null; public static void main(String[] args) { date = new Date(); try { FileOutputStream fos = new FileOutputStream(file Name); ObjectOutStream os = new ObjectOutputStream(fos); oos.______; oos.close(); fos.close(); System.out.println(date.toString()); } catch(Exception e) { System.out.println(e.getMessage()); } } }

    A.writeObject()

    B.writeObject(date)

    C.write(date)

    D.writeByte(date)


    正确答案:B

  • 第2题:

    11. public static void main(String[] args) {  12. Object obj =new int[] { 1,2,3 };  13. int[] someArray = (int[])obj;  14. for (int i: someArray) System.out.print(i +“ “)  15. }  What is the result? ()

    • A、 1 2 3
    • B、 Compilation fails because of an error in line 12.
    • C、 Compilation fails because of an error in line 13.
    • D、 Compilation fails because of an error in line 14.
    • E、 A ClassCastException is thrown at runtime.

    正确答案:A

  • 第3题:

    11. public static void main(String[] args) {  12. Object obj = new Object() {  13. public int hashCode() {  14. returns 42; 15. }  16. };  17. System.out.println(obj.hashCode());  18. }    What is the result? () 

    • A、 42
    • B、 An exception is thrown at runtime.
    • C、 Compilation fails because of an error on line 12.
    • D、 Compilation fails because of an error on line 16.
    • E、 Compilation fails because of an error on line 17.

    正确答案:A

  • 第4题:

    33. Date d = new Date(0);  34. String ds = “December 15, 2004”;  35. // insert code here  36. try {  37. d = df.parse(ds);  38. }  39. catch(ParseException e) {  40. System.out.println(”Unable to parse “+ ds);  41. }  42. // insert code here too  Which will create the appropriate DateFormat object and add 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.getDateJnstance(); 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.getDateJnstance(); 42. d.setLocalTime( (60 * 60 * 24) + d.getLocalTime());

    正确答案:B

  • 第5题:

    Given:   1.d is a valid, non-null Date object   2.df is a valid, non-null DateFormat object set to the current locale    What outputs the current locale’s country name and the appropriate version of d’s date?()

    • A、Locale loc = Locale.getLocale(); System.out.println(loc.getDisplayCountry()+ " " + df.format(d));
    • B、Locale loc = Locale.getDefault(); System.out.println(loc.getDisplayCountry()+ " " + df.format(d));
    • C、Locale loc = Locale.getLocale();System.out.println(loc.getDisplayCountry()+ " " + df.setDateFormat(d));
    • D、 Locale loc = Locale.getDefault();System.out.println(loc.getDisplayCountry()+ " " + df.setDateFormat(d));

    正确答案:B

  • 第6题:

    Given: 12.Date date = new Date(); 13.df.setLocale(Locale.ITALY); 14.String s = df.format(date); The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?()

    • A、The value of s is 14-dic-2000.
    • B、The value of s is Dec 14, 2000.
    • C、An exception is thrown at runtime.
    • D、Compilation fails because of an error in line 13.

    正确答案:D

  • 第7题:

    单选题
    11. public static void main(String[] args) {  12. Object obj =new int[] { 1,2,3 };  13. int[] someArray = (int[])obj;  14. for (int i: someArray) System.out.print(i +“ “)  15. }  What is the result? ()
    A

     1 2 3

    B

     Compilation fails because of an error in line 12.

    C

     Compilation fails because of an error in line 13.

    D

     Compilation fails because of an error in line 14.

    E

     A ClassCastException is thrown at runtime.


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    Given:   1.d is a valid, non-null Date object   2.df is a valid, non-null DateFormat object set to the current locale    What outputs the current locale’s country name and the appropriate version of d’s date?()
    A

    Locale loc = Locale.getLocale(); System.out.println(loc.getDisplayCountry()+   + df.format(d));

    B

    Locale loc = Locale.getDefault(); System.out.println(loc.getDisplayCountry()+   + df.format(d));

    C

    Locale loc = Locale.getLocale();System.out.println(loc.getDisplayCountry()+   + df.setDateFormat(d));

    D

     Locale loc = Locale.getDefault();System.out.println(loc.getDisplayCountry()+   + df.setDateFormat(d));


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    11. class Converter {  12. public static void main(String[] args) {  13. Integer i = args[0];  14. int j = 12;  15. System.out.println(”It is “ + (j==i) + “that j==i.”);  16. }  17. }  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.


    正确答案: D
    解析: 暂无解析

  • 第10题:

    多选题
    14. DateFormat df;  15. Date date = new Date();  16. //insert code here  17. String s = df.format( date);  Which two,inserted independently at line 16, allow the code to compile?()
    A

    df= new DateFormat();

    B

    df= Date.getFormatter();

    C

    df= date.getFormatter();

    D

    df= date.getDateFormatter();

    E

    df = DateFormat.getDateInstance();

    F

    df= DateFormat.getInstance();


    正确答案: E,F
    解析: 暂无解析

  • 第11题:

    单选题
    33. Date d = new Date(0);  34. String ds = “December 15, 2004”;  35. // insert code here  36. try {  37. d = df.parse(ds);  38. }  39. catch(ParseException e) {  40. System.out.println(”Unable to parse “+ ds);  41. }  42. // insert code here too  Which will create the appropriate DateFormat object and add 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.getDateJnstance(); 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.getDateJnstance(); 42. d.setLocalTime( (60 * 60 * 24) + d.getLocalTime());


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Given a valid DateFormat object named df,and 16.Date d = new Date(0L); 17.String ds = "December 15, 2004"; 18.//insert code here What updates d’s value with the date represented by ds?()
    A

    18. d = df.parse(ds);

    B

    18. d = df.getDate(ds);

    C

    18. try {19. d = df.parse(ds);20. } catch(ParseException e) { };

    D

    18. try {19. d = df.getDate(ds);20. } catch(ParseException e) { };


    正确答案: C
    解析: 暂无解析

  • 第13题:

    下列方法中,用于返回当前日期的方法是?()

    A.Date()

    B. Date(int year, int month, int date)

    C.Date(String s)

    D.Date(long date)


    答案:A

  • 第14题:

    16. Date d = new Date(0L);  17. String ds = “December 15, 2004”;  18. // insert code here  What updates d‟s value with the date represented by ds?()

    • A、 18. d = df.parse(ds);
    • B、 18. d = df.getDate(ds);
    • C、 18. try {     19. d = df.parse(ds);      20. } catch(ParseException e) { };
    • D、 18. try {      19. d = df.getDate(ds);       20. } catch(ParseException e) { };

    正确答案:C

  • 第15题:

    11. static class A {  12. void process() throws Exception { throw new Exception(); }  13. }  14. static class B extends A {  15. void process() { System.out.println(”B”); }  16. }  17. public static void main(String[] args) {  18. new B().process();  19. }  What is the result?() 

    • A、 B
    • B、 The code runs with no output.
    • C、 Compilation fails because of an error in line 12.
    • D、 Compilation fails because of an error in line 15.
    • E、 Compilation fails because of an error in line 18.

    正确答案:A

  • 第16题:

    12. Date date = new Date();  13. df.setLocale(Locale.ITALY);  14. String s = df.format(date);  The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?() 

    • A、 The value of s is 14-dic-2004.
    • B、 The value of s is Dec 14, 2000.
    • C、 An exception is thrown at runtime.
    • D、 Compilation fails because of an error in line 13.

    正确答案:D

  • 第17题:

    14. DateFormat df;  15. Date date = new Date();  16. //insert code here  17. String s = df.format( date);  Which two,inserted independently at line 16, allow the code to compile?()

    • A、 df= new DateFormat();
    • B、 df= Date.getFormatter();
    • C、 df= date.getFormatter();
    • D、 df= date.getDateFormatter();
    • E、df = DateFormat.getDateInstance();
    • F、 df= DateFormat.getInstance();

    正确答案:E,F

  • 第18题:

    Given a valid DateFormat object named df,and 16.Date d = new Date(0L); 17.String ds = "December 15, 2004"; 18.//insert code here What updates d’s value with the date represented by ds?()

    • A、18. d = df.parse(ds);
    • B、18. d = df.getDate(ds);
    • C、18. try {19. d = df.parse(ds);20. } catch(ParseException e) { };
    • D、18. try {19. d = df.getDate(ds);20. } catch(ParseException e) { };

    正确答案:C

  • 第19题:

    单选题
    11. public static void main(String[] args) {  12. Object obj = new Object() {  13. public int hashCode() {  14. returns 42; 15. }  16. };  17. System.out.println(obj.hashCode());  18. }    What is the result? ()
    A

     42

    B

     An exception is thrown at runtime.

    C

     Compilation fails because of an error on line 12.

    D

     Compilation fails because of an error on line 16.

    E

     Compilation fails because of an error on line 17.


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    Given:   11. public static void main(String[] args) {   12. Object obj = new int[] { 1, 2, 3 };   13. int[] someArray = (int[])obj;   14. for (int i : someArray) System.out.print(i + " ");   15. }   What is the result? ()
    A

     Compilation fails because of an error in line 13.

    B

     A ClassCastException is thrown at runtime.

    C

     1 2 3

    D

     Compilation fails because of an error in line 14.

    E

     Compilation fails because of an error in line 12.


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    16. Date d = new Date(0L);  17. String ds = “December 15, 2004”;  18. // insert code here  What updates d‟s value with the date represented by ds?()
    A

     18. d = df.parse(ds);

    B

     18. d = df.getDate(ds);

    C

     18. try {     19. d = df.parse(ds);      20. } catch(ParseException e) { };

    D

     18. try {      19. d = df.getDate(ds);       20. } catch(ParseException e) { };


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Given: 12.Date date = new Date(); 13.df.setLocale(Locale.ITALY); 14.String s = df.format(date); The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?()
    A

    The value of s is 14-dic-2000.

    B

    The value of s is Dec 14, 2000.

    C

    An exception is thrown at runtime.

    D

    Compilation fails because of an error in line 13.


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Given a valid DateFormat object named df,and 16.Date d = new Date(0L); 17.String ds = "December 15, 2004"; 18.//insert code here What updates d’s value with the date represented by ds?()
    A

    18. d = df.parse(ds);

    B

    18. d = df.getDate(ds);

    C

    18. try {19. d = df.parse(ds);20. } catch(ParseException e) { };

    D

    18. try {19. d = df.getDate(ds);20. } catch(ParseException e) { };


    正确答案: C
    解析: 暂无解析