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11. double input = 314159.26;  12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN);  13. String b;  14. //insert code here  Which code, inserted at line 14, sets the value of b to 3 14.159,26?() 

  • A、 b = nf.parse( input);
  • B、 b = nf.format( input);
  • C、 b = nf.equals( input);
  • D、 b = nf.parseObject( input);

参考答案

更多 “ 11. double input = 314159.26;  12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN);  13. String b;  14. //insert code here  Which code, inserted at line 14, sets the value of b to 3 14.159,26?() A、 b = nf.parse( input);B、 b = nf.format( input);C、 b = nf.equals( input);D、 b = nf.parseObject( input);” 相关考题
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考题 11. String test = “Test A. Test B. Test C.”;  12. // insert code here  13. String[] result = test.split(regex);  Which regular expression inserted at line 12 will correctly split test into “Test A,” “Test B,” and “Test C”?()A、 String regex = “”;B、 String regex = “ “;C、 String regex = “.*“.D、 String regex = “//s”E、 String regex = “//.//s*”;F、 String regex = “//w[ /.] +“;

考题 11. rbo = new ReallyBigObject();  12. // more code here  13. rbo = null;  14. /* insert code here */  Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?() A、 System.gc();B、 Runtime.gc();C、 System.freeMemory();D、 Runtime.getRuntime().growHeap();E、 Runtime.getRuntime().freeMemory();

考题 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();

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考题 Given:   12. NumberFormat nf = NumberFormat.getInstance();   13. nf.setMaximumFractionDigits(4);   14. nf.setMinimumFractionDigits(2);   15. String a = nf.format(3.1415926);   16. String b = nf.format(2);   Which two statements are true about the result if the default locale is Locale.US?()A、 The value of b is 2.00.B、 The value of a is 3.141.C、 The value of a is 3.14.D、 The value of b is 2.0000.E、 The value of a is 3.1415.F、 The value of a is 3.1416.G、 The value of b is 2.

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考题 单选题11. String test = “Test A. Test B. Test C.”;  12. // insert code here  13. String[] result = test.split(regex);  Which regular expression inserted at line 12 will correctly split test into “Test A,” “Test B,” and “Test C”?()A  String regex = “”;B  String regex = “ “;C  String regex = “.*“.D  String regex = “//s”E  String regex = “//.//s*”;F  String regex = “//w[ /.] +“;

考题 单选题11. public class Counter {  12. public static void main(String[] args) {  13. int numArgs = /* insert code here */;  14. }  15. }  and the command line: java Counter one fred 42 Which code, inserted at line 13, captures the number of arguments passed into the program?()A  args.countB  args.lengthC  args.count()D  args.length()E  args.getLength()

考题 单选题11. rbo = new ReallyBigObject();  12. // more code here  13. rbo = null;  14. /* insert code here */  Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?()A  System.gc();B  Runtime.gc();C  System.freeMemory();D  Runtime.getRuntime().growHeap();E  Runtime.getRuntime().freeMemory();

考题 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?()AABBCCDDEEFF

考题 单选题Given: 11.double input = 314159.26; 12.NumberFormat nf = NumberFormat.getInstance(Locale.ITALIAN); 13.String b; 14.//insert code here Which code, inserted at line 14, sets the value of b to 314.159,26?()A b = nf.parse( input );B b = nf.format( input );C b = nf.equals( input );D b = nf.parseObject( input );

考题 单选题11. double input = 314159.26;  12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN);  13. String b;  14. //insert code here  Which code, inserted at line 14, sets the value of b to 3 14.159,26?()A  b = nf.parse( input);B  b = nf.format( input);C  b = nf.equals( input);D  b = nf.parseObject( input);

考题 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();

考题 多选题Given:   12. NumberFormat nf = NumberFormat.getInstance();   13. nf.setMaximumFractionDigits(4);   14. nf.setMinimumFractionDigits(2);   15. String a = nf.format(3.1415926);   16. String b = nf.format(2);   Which two statements are true about the result if the default locale is Locale.US?()AThe value of b is 2.00.BThe value of a is 3.141.CThe value of a is 3.14.DThe value of b is 2.0000.EThe value of a is 3.1415.FThe value of a is 3.1416.GThe value of b is 2.

考题 单选题Given: 11.double input = 314159.26; 12.NumberFormat nf = NumberFormat.getInstance(Locale.ITALIAN); 13.String b; 14.//insert code here Which code, inserted at line 14, sets the value of b to 314.159,26?()A b = nf.parse( input );B b = nf.format( input );C b = nf.equals( input );D b = nf.parseObject( input );

考题 多选题11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()AfinalBstaticCnativeDpublicEprivateFabstractGprotected