1 /*
2 UnnecessaryParentheses
3 tokens = (default)EXPR, IDENT, NUM_DOUBLE, NUM_FLOAT, NUM_INT, NUM_LONG, \
4 STRING_LITERAL, LITERAL_NULL, LITERAL_FALSE, LITERAL_TRUE, ASSIGN, \
5 BAND_ASSIGN, BOR_ASSIGN, , BXOR_ASSIGN, DIV_ASSIGN, \
6 MINUS_ASSIGN, MOD_ASSIGN, PLUS_ASSIGN, SL_ASSIGN, SR_ASSIGN, STAR_ASSIGN, \
7 LAMBDA, TEXT_BLOCK_LITERAL_BEGIN, LAND, LITERAL_INSTANCEOF, GT, LT, GE, \
8 LE, EQUAL, NOT_EQUAL, UNARY_MINUS, UNARY_PLUS, INC, DEC, LNOT, BNOT, \
9 POST_INC, POST_DEC
10
11
12 */
13
14 package com.puppycrawl.tools.checkstyle.checks.coding.unnecessaryparentheses;
15
16 import java.util.function.Function;
17
18 public class InputUnnecessaryParenthesesReturnValue {
19 int foo() {
20 Function<Integer, Integer> addOne
21 = x -> { return (x + 1); }; // violation 'Unnecessary paren.* around return'
22 return (1 + 1); // violation 'Unnecessary paren.* around return'
23 }
24 boolean compare() {
25 return (9 <= 3); // violation 'Unnecessary paren.* around return'
26 }
27 boolean bar() {
28 return (true && 7 > 3); // violation 'Unnecessary paren.* around return'
29 }
30 boolean bigger() {
31 return (Integer.parseInt("5") > 7 || // violation 'Unnecessary paren.* around return'
32 Integer.parseInt("2") > 3 ||
33 "null" != null);
34 }
35 int ternary() {
36 return (true ? 0 : 1); // violation 'Unnecessary paren.* around return'
37 }
38 boolean ok() {
39 return 5 > 7 ||
40 6 < 4;
41 }
42 int okternary() {
43 return true ? 0 : 1;
44 }
45 }