1 /*xml
2 <module name="Checker">
3 <module name="TreeWalker">
4 <module name="ReturnCount">
5 <property name="maxForVoid" value="0"/>
6 <property name="tokens" value="CTOR_DEF"/>
7 </module>
8 <module name="ReturnCount">
9 <property name="max" value="1"/>
10 <property name="tokens" value="LAMBDA"/>
11 </module>
12 <module name="ReturnCount">
13 <property name="max" value="2"/>
14 <property name="tokens" value="METHOD_DEF"/>
15 </module>
16 </module>
17 </module>
18 */
19 package com.puppycrawl.tools.checkstyle.checks.coding.returncount;
20
21 import java.util.function.Predicate;
22
23 // xdoc section -- start
24 public class Example5 {
25 public Example5() {}
26 // violation below, 'max allowed for void methods/constructors/lambdas is 0'
27 public Example5(int i) { return; }
28
29 public int signA(int x) {
30 if (x < -2) { return -1; }
31 return 0;
32 }
33 // violation below, 'max allowed for non-void methods/lambdas is 2'
34 public int signB(int x) {
35 if (x < -2) { return -1; }
36 if (x == 0) { return 0; }
37 if (x > 2) { return 2; }
38 return 1;
39 }
40 // violation below, 'max allowed for non-void methods/lambdas is 1'
41 final Predicate<Integer> lambdaA = i -> {
42 if (i > 5) { return true; }
43 return false;
44 };
45
46 final Predicate<Integer> lambdaB = i -> { return i > 5; };
47
48 public void methodA(int x) {}
49 // ok below, because default void restriction is 1
50 public void methodB(int x) { return; }
51 }
52 // xdoc section -- end