1 /*xml
2 <module name="Checker">
3 <module name="TreeWalker">
4 <module name="NPathComplexity">
5 <property name="max" value="100"/>
6 </module>
7 </module>
8 </module>
9 */
10 package com.puppycrawl.tools.checkstyle.checks.metrics.npathcomplexity;
11
12 // xdoc section -- start
13 public abstract class Example2 {
14 public void foo() { // violation, NPath complexity is 128 (max allowed is 100)
15 int a,b,t,m,n;
16 a=b=t=m=n = 0;
17
18 // Complexity is achieved by choosing from 2 options 7 times (2^7 = 128 outcomes)
19 if (a > b) { // non-nested if-else decision tree multiplies complexity by 2
20 bar();
21 } else {
22 baz();
23 }
24
25 print(t > 1 ? bar() : baz()); // 5 ternary statements multiply complexity by 2^5
26 print(t > 2 ? bar() : baz());
27 print(t > 3 ? bar() : baz());
28 print(t > 4 ? bar() : baz());
29 print(t > 5 ? bar() : baz());
30
31 if (m > n) { // multiplies complexity by 2
32 baz();
33 } else {
34 bar();
35 }
36 }
37
38 public abstract String bar();
39 public abstract String baz();
40 public abstract void print(String str);
41 }
42 // xdoc section -- end