Java How to Program, Early Objects, 11th Edition

... "local x in main is %d%n", x);
14
15      useLocalVariable(); // useLocalVariable has local x
16      useField(); // useField uses class Scope’s field x
17      useLocalVariable(); // useLocalVariable reinitializes local x
18      useField(); // class Scope’s field x retains its value
19
20      System.out.printf("%nlocal x in main is %d%n", x);
21   }
22
23   // create and initialize local variable x during each call
24   public static void useLocalVariable() {
25      int x = 25; // initialized each time useLocalVariable is called
26
27      System.out.printf(
28         "%nlocal x on entering method useLocalVariable is %d%n", x);
29      ++x; // modifies this method’s local variable x
30      System.out.printf(
31         "local x before exiting method useLocalVariable is %d%n", x);
32   }
33
34   // modify class ...