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shows declaration, initialization, and use of an integer variable

Prints the number of keys on a piano.

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	`1`	`+//********************************************************************`
	`2`	`+// PianoKeys.java Author: Lewis/Loftus`
	`3`	`+//`
	`4`	`+// Demonstrates the declaration, initialization, and use of an`
	`5`	`+// integer variable.`
	`6`	`+//********************************************************************`
	`7`	`+`
	`8`	`+public class PianoKeys`
	`9`	`+{`
	`10`	`+ //-----------------------------------------------------------------`
	`11`	`+ // Prints the number of keys on a piano.`
	`12`	`+ //-----------------------------------------------------------------`
	`13`	`+ public static void main(String[] args)`
	`14`	`+ {`
	`15`	`+ int keys = 88;`
	`16`	`+ System.out.println("A piano has " + keys + " keys.");`
	`17`	`+ }`
	`18`	`+}`

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