Source of MaximumTest.java


  1: // Fig. 18.5: MaximumTest.java
  2: // Generic method maximum returns the largest of three objects.
  3: 
  4: public class MaximumTest
  5: {
  6:    // determines the largest of three Comparable objects
  7:    public static < T extends Comparable< T > > T maximum( T x, T y, T z )
  8:    {
  9:       T max = x; // assume x is initially the largest 
 10: 
 11:       if ( y.compareTo( max ) > 0 )
 12:          max = y; // y is the largest so far
 13: 
 14:       if ( z.compareTo( max ) > 0 )
 15:          max = z; // z is the largest
 16: 
 17:       return max; // returns the largest object
 18:    } // end method maximum
 19: 
 20:    public static void main( String args[] ) 
 21:    {
 22:       System.out.printf( "Maximum of %d, %d and %d is %d\n\n", 3, 4, 5, 
 23:          maximum( 3, 4, 5 ) );
 24:       System.out.printf( "Maximum of %.1f, %.1f and %.1f is %.1f\n\n", 
 25:          6.6, 8.8, 7.7, maximum( 6.6, 8.8, 7.7 ) );
 26:       System.out.printf( "Maximum of %s, %s and %s is %s\n", "pear", 
 27:          "apple", "orange", maximum( "pear", "apple", "orange" ) );
 28:    } // end main
 29: } // end class MaximumTest
 30: 
 31: 
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