// Fig. 30.15: StaticCharMethods.java
// Static Character testing methods and case conversion methods.
import java.util.Scanner;

public class StaticCharMethods 
{
   public static void main( String args[] )
   {
      Scanner scanner = new Scanner( System.in ); // create scanner
      System.out.println( "Enter a character and press Enter" );
      String input = scanner.next(); 
      char c = input.charAt( 0 ); // get input character

      // display character info
      System.out.printf( "is defined: %b\n", Character.isDefined( c ) );
      System.out.printf( "is digit: %b\n", Character.isDigit( c ) );
      System.out.printf( "is first character in a Java identifier: %b\n",
         Character.isJavaIdentifierStart( c ) );
      System.out.printf( "is part of a Java identifier: %b\n",
         Character.isJavaIdentifierPart( c ) );
      System.out.printf( "is letter: %b\n", Character.isLetter( c ) );
      System.out.printf( 
         "is letter or digit: %b\n", Character.isLetterOrDigit( c ) );
      System.out.printf(
         "is lower case: %b\n", Character.isLowerCase( c ) );
      System.out.printf( 
         "is upper case: %b\n", Character.isUpperCase( c ) );
      System.out.printf( 
         "to upper case: %s\n", Character.toUpperCase( c ) );
      System.out.printf( 
         "to lower case: %s\n", Character.toLowerCase( c ) );
   } // end main
} // end class StaticCharMethods

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