1 /*xml
2 <module name="Checker">
3 <module name="TreeWalker">
4 <module name="MagicNumber">
5 <property name="constantWaiverParentToken" value="ASSIGN, ARRAY_INIT, EXPR,
6 UNARY_PLUS, UNARY_MINUS, TYPECAST, ELIST, DIV, PLUS"/>
7 </module>
8 </module>
9 </module>
10 */
11
12 package com.puppycrawl.tools.checkstyle.checks.coding.magicnumber;
13
14 // xdoc section -- start
15 @Example5.Annotation(6) // violation, ''6' is a magic number.'
16 public class Example5 {
17 private int field = 7; // violation, ''7' is a magic number.'
18
19 void method1() {
20 int i = 1;
21 int j = 8; // violation, ''8' is a magic number.'
22 }
23 public void method2() {
24 final TestClass testObject = new TestClass(62);
25 // violation above, ''62' is a magic number.'
26 final int a = 3; // ok as waiver is ASSIGN
27 final int[] b = {4, 5}; // ok as waiver is ARRAY_INIT
28 final int c = -3; // ok as waiver is UNARY_MINUS
29 final int d = +4; // ok as waiver is UNARY_PLUS
30 final int e = method3(10, 20);
31 // 2 violations above:
32 // ''10' is a magic number.'
33 // ''20' is a magic number.'
34 final int f = 3 * 4;
35 // 2 violations above:
36 // ''3' is a magic number.'
37 // ''4' is a magic number.'
38 final int g = 3 / 4; // ok as waiver is DIV
39 final int h = 3 + 4; // ok as waiver is PLUS
40 final int i = 3 - 4;
41 // 2 violations above:
42 // ''3' is a magic number.'
43 // ''4' is a magic number.'
44 final int j = (int) 3.4; //ok as waiver is TYPECAST
45 }
46 private int method3(int a, int b) {
47 return a + b;
48 }
49 public int hashCode() {
50 return 10; // violation, ''10' is a magic number.'
51 }
52 @interface Annotation {
53 int value() default 10;
54 int[] value2() default {10};
55 }
56 class TestClass {
57 TestClass(int field) {}
58 }
59 }
60 // xdoc section -- end