QUESTION 54

QUESTION 54 
Given: 
 
1. public class LineUp { 
2.     public static void main(String[] args) { 
3.         double d = 12.345; 
4.         // insert code here 
5.     } 
6. } 
 
Which code fragment, inserted at line 4, produces the output | 12.345|? 
A. System.out.printf("|%7d| \n", d); 
B. System.out.printf("|%7f| \n", d); 
C. System.out.printf("|%3.7d| \n", d); 
D. System.out.printf("|%3.7f| \n", d); 
E. System.out.printf("|%7.3d| \n", d); 
F. System.out.printf("|%7.3f| \n", d); 
Solution : F 
 

---

plus imformation 

A. | Exception in thread "main" java.util.IllegalFormatConversionException: d != java.lang.Double

     at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:3999)

     at java.util.Formatter$FormatSpecifier.printInteger(Formatter.java:2709)

     at java.util.Formatter$FormatSpecifier.print(Formatter.java:2661)

     at java.util.Formatter.format(Formatter.java:2433)

     at java.io.PrintStream.format(PrintStream.java:920)

     at java.io.PrintStream.printf(PrintStream.java:821)

     at LineUp.main(Main.java:4) 

 

B. |12.345000|  

 

C. Exception in thread "main" java.util.IllegalFormatPrecisionException: 7

     at java.util.Formatter$FormatSpecifier.checkInteger(Formatter.java:2892)

     at java.util.Formatter$FormatSpecifier.<init>(Formatter.java:2643)

     at java.util.Formatter.parse(Formatter.java:2480)

     at java.util.Formatter.format(Formatter.java:2414)

     at java.io.PrintStream.format(PrintStream.java:920)

     at java.io.PrintStream.printf(PrintStream.java:821)

     at LineUp.main(Main.java:4) 

 

D. |12.3450000|  

 

E.  Exception in thread "main" java.util.IllegalFormatPrecisionException: 3

     at java.util.Formatter$FormatSpecifier.checkInteger(Formatter.java:2892)

     at java.util.Formatter$FormatSpecifier.<init>(Formatter.java:2643)

     at java.util.Formatter.parse(Formatter.java:2480)

     at java.util.Formatter.format(Formatter.java:2414)

     at java.io.PrintStream.format(PrintStream.java:920)

     at java.io.PrintStream.printf(PrintStream.java:821)

     at LineUp.main(Main.java:4) 

 

F. | 12.345|