Java How to Program, Early Objects, 11th Edition

... remainder of printArray is identical to the versions presented in Fig. 20.1.

Good Programming Practice 20.1

The letters T (for “type”), E (for “element”), K (for “key”) and V (for “value”) are commonly used as type parameters. For other common ones, see http://docs.oracle.com/ javase/tutorial/java/generics/types.html.

Testing the Generic printArray Method

As in Fig. 20.1, the program in Fig. 20.3 begins by declaring and initializing six-element Integer array integerArray (line 7), seven-element Double array doubleArray (line 8) and five-element Character array characterArray (line 9). Then each array is output by calling printArray (lines 12, 14 and ...