20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.util;
  27 
  28 /**
  29  * Unchecked exception thrown when duplicate flags are provided in the format
  30  * specifier.
  31  *
  32  * <p> Unless otherwise specified, passing a {@code null} argument to any
  33  * method or constructor in this class will cause a {@link
  34  * NullPointerException} to be thrown.
  35  *
  36  * @since 1.5
  37  */
  38 public class DuplicateFormatFlagsException extends IllegalFormatException {
  39 

  40     private static final long serialVersionUID = 18890531L;
  41 
  42     private String flags;
  43 
  44     /**
  45      * Constructs an instance of this class with the specified flags.
  46      *
  47      * @param  f
  48      *         The set of format flags which contain a duplicate flag.
  49      */
  50     public DuplicateFormatFlagsException(String f) {
  51         if (f == null)
  52             throw new NullPointerException();
  53         this.flags = f;
  54     }
  55 
  56     /**
  57      * Returns the set of flags which contains a duplicate flag.
  58      *
  59      * @return  The flags

  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.util;
  27 
  28 /**
  29  * Unchecked exception thrown when duplicate flags are provided in the format
  30  * specifier.
  31  *
  32  * <p> Unless otherwise specified, passing a {@code null} argument to any
  33  * method or constructor in this class will cause a {@link
  34  * NullPointerException} to be thrown.
  35  *
  36  * @since 1.5
  37  */
  38 public class DuplicateFormatFlagsException extends IllegalFormatException {
  39 
  40     @java.io.Serial
  41     private static final long serialVersionUID = 18890531L;
  42 
  43     private String flags;
  44 
  45     /**
  46      * Constructs an instance of this class with the specified flags.
  47      *
  48      * @param  f
  49      *         The set of format flags which contain a duplicate flag.
  50      */
  51     public DuplicateFormatFlagsException(String f) {
  52         if (f == null)
  53             throw new NullPointerException();
  54         this.flags = f;
  55     }
  56 
  57     /**
  58      * Returns the set of flags which contains a duplicate flag.
  59      *
  60      * @return  The flags