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();

题目
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();


相似考题
更多“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();”相关问题
  • 第1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2题:

    10. interface Foo { int bar(); }  11. public class Sprite {  12. public int fubar( Foo foo) { return foo.bar(); }  13. public void testFoo() {  14. fubar(  15. // insert code here  16.);  17. }  18. }  Which code, inserted at line 15, allows the class Sprite to compile?() 

    • A、 Foo { public int bar() { return 1; } }
    • B、 new Foo { public int bar() { return 1; } }
    • C、 newFoo() { public int bar(){return 1; } }
    • D、 new class Foo { public int bar() { return 1; } }

    正确答案:C

  • 第3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4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, inserted at line 16, will cause a java.lang.ClassCastException?() 

    • A、 Alpha a = x;
    • B、 Foo f= (Delta)x;
    • C、 Foo f= (Alpha)x;
    • D、 Beta b = (Beta)(Alpha)x;

    正确答案:B

  • 第5题:

    10. class Line {  11. public class Point { public int x,y; }  12. public Point getPoint() { return new Point(); }  13. }  14. class Triangle {  15. public Triangle() {  16. // insert code here  17. }  18. }  Which code, inserted at line 16, correctly retrieves a local instance of a Point object?() 

    • A、 Point p = Line.getPoint();
    • B、 Line.Point p = Line.getPoint();
    • C、 Point p = (new Line()).getPoint();
    • D、 Line.Point p = (new Line()).getPoint();

    正确答案:D

  • 第6题:

    Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()

    • A、 public void foo() { /* more code here */ }
    • B、 private void foo() { /* more code here */ }
    • C、 protected void foo() { /* more code here */ }
    • D、 int foo() { /* more code here */ }  
    • E、 void foo() { /* more code here */ }

    正确答案:A,C,E

  • 第7题:

    多选题
    Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()
    A

    public void foo() { /* more code here */ }

    B

    private void foo() { /* more code here */ }

    C

    protected void foo() { /* more code here */ }

    D

    int foo() { /* more code here */ }

    E

    void foo() { /* more code here */ }


    正确答案: A,C,E
    解析: 暂无解析

  • 第8题:

    多选题
    Given:   11. // insert code here   12. private N min, max;   13. public N getMin() { return min; }   14. public N getMax() { return max; }   15. public void add(N added) {   16. if (min == null || added.doubleValue()  max.doubleValue())  19. max = added;   20. }   21. }   Which two, inserted at line 11, will allow the code to compile?()
    A

    A

    B

    B

    C

    C

    D

    D

    E

    E

    F

    F


    正确答案: B,A
    解析: 暂无解析

  • 第9题:

    单选题
    10. class Line {  11. public static class Point { }  12. }  13.  14. class Triangle {  15. // insert code here  16. }  Which code, inserted at line 15, creates an instance of the Point class defined in Line?()
    A

     Point p = new Point();

    B

     Line.Point p = new Line.Point();

    C

     The Point class cannot be instatiated at line 15.

    D

     Line 1 = new Line() ; 1.Point p = new 1.Point();


    正确答案: B
    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
    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: A
    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:

    10. class Line {  11. public static class Point { }  12. }  13.  14. class Triangle {  15. // insert code here  16. }  Which code, inserted at line 15, creates an instance of the Point class defined in Line?() 

    • A、 Point p = new Point();
    • B、 Line.Point p = new Line.Point();
    • C、 The Point class cannot be instatiated at line 15.
    • D、 Line 1 = new Line() ; 1.Point p = new 1.Point();

    正确答案:B

  • 第14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15题:

    10. public class Foo implements java.io.Serializable {  11. private int x;  12. public int getX() { return x; }  12.publicFoo(int x){this.x=x; }  13. private void writeObject( ObjectOutputStream s)  14. throws IOException {  15. // insert code here  16. }  17. }  Which code fragment, inserted at line 15, will allow Foo objects to be correctly serialized and deserialized?() 

    • A、 s.writeInt(x);
    • B、 s.serialize(x);
    • C、 s.writeObject(x);
    • D、 s.defaultWriteObject();

    正确答案:D

  • 第16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17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
    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, inserted at line 16, will cause a java.lang.ClassCastException?()
    A

     Alpha a = x;

    B

     Foo f= (Delta)x;

    C

     Foo f= (Alpha)x;

    D

     Beta b = (Beta)(Alpha)x;


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    10. class Line {  11. public class Point { public int x,y; }  12. public Point getPoint() { return new Point(); }  13. }  14. class Triangle {  15. public Triangle() {  16. // insert code here  17. }  18. }  Which code, inserted at line 16, correctly retrieves a local instance of a Point object?()
    A

     Point p = Line.getPoint();

    B

     Line.Point p = Line.getPoint();

    C

     Point p = (new Line()).getPoint();

    D

     Line.Point p = (new Line()).getPoint();


    正确答案: A
    解析: 暂无解析

  • 第21题:

    多选题
    10. public class Bar {  11.static void foo(int...x) {  12. // insert code here  13. }  14. }  Which two code fragments, inserted independently at line 12, will allow the class to compile?()
    A

    foreach(x) System.out.println(z);

    B

    for(int z : x) System.out.println(z);

    C

    while( x.hasNext()) System.out.println( x.next());

    D

    for( int i=0; i< x.length; i++ ) System.out.println(x[i]);


    正确答案: B,C
    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:

    多选题
    public class TestString3 {  public static void main(String[] args) {  // insert code here  System.out.println(s);  }  }  Which two code fragments, inserted independently at line 3, generate the output 4247?()
    A

    String s = “123456789”; s = (s-”123”).replace(1,3,”24”) - “89”;

    B

    StringBuffer s = new StringBuffer(”123456789”); s.delete(0,3).replace( 1,3, “24”).delete(4,6);

    C

    StringBuffer s = new StringBuffer(”123456789”); s.substring(3,6).delete( 1 ,3).insert(1, “24”);

    D

    StringBuilder s = new StringBuilder(”123456789”); s.substring(3,6).delete( 1 ,2).insert( 1, “24”);

    E

    StringBuilder s = new StringBuilder(”123456789”); s.delete(0,3).delete( 1 ,3).delete(2,5).insert( 1, “24”);


    正确答案: D,A
    解析: 暂无解析

  • 第24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