网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
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.


参考答案

参考解析
解析: 暂无解析
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 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.” 相关考题
考题 Datedate=newDate();13.df.setLocale(Locale.ITALY);14.Strings=df.format(date);ThevariabledfisanobjectoftypeDateFormatthathasbeeninitializedinline11.WhatistheresultifthiscodeisrunonDecember14,2000?() A.Thevalueofsis14-dic-2004.B.ThevalueofsisDec14,2000.C.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerrorinline13.

考题 DateFormatdf;15.Datedate=newDate();16.//insertcodehere17.Strings=df.format(date);Whichtwo,insertedindependentlyatline16,allowthecodetocompile?() A.df=newDateFormat();B.df=Date.getFormatter();C.df=date.getFormatter();D.df=date.getDateFormatter();E.df=DateFormat.getDateInstance();F.df=DateFormat.getInstance();

考题 Given:Which code fragment, inserted at line 23, allows the code to compile?() A.df = new DateFormat();B.df = Date.getFormat();C.df = date.getFormat();D.df = DateFormat.getFormat();E.df = DateFormat.getInstance();

考题 Given:12.Datedate=newDate();13.df.setLocale(Locale.ITALY);14.Strings=df.format(date);ThevariabledfisanobjectoftypeDateFormatthathasbeeninitializedinline11.WhatistheresultifthiscodeisrunonDecember14,2000?()A.Thevalueofsis14-dic-2000.B.ThevalueofsisDec14,2000.C.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerrorinline13.

考题 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)

考题 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)

考题 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 3B、 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.

考题 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) { };

考题 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、 42B、 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.

考题 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、 BB、 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.

考题 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());

考题 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.

考题 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));

考题 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();

考题 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.

考题 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) { };

考题 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 3B  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.

考题 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  42B  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.

考题 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));

考题 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 3D  Compilation fails because of an error in line 14.E  Compilation fails because of an error in line 12.

考题 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.

考题 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) { };

考题 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?()Adf= new DateFormat();Bdf= Date.getFormatter();Cdf= date.getFormatter();Ddf= date.getDateFormatter();Edf = DateFormat.getDateInstance();Fdf= DateFormat.getInstance();

考题 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.

考题 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());

考题 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) { };

考题 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) { };