1 /* 2 com.puppycrawl.tools.checkstyle.checks.coding.EqualsAvoidNullCheck 3 ignoreEqualsIgnoreCase = (default)false 4 5 6 */ 7 8 package com.puppycrawl.tools.checkstyle.utils.checkutil; 9 10 public class InputCheckUtil1 { 11 12 static { 13 String b = "onion"; 14 String a=b;a.equals("ONION"); // violation 'left .* of .* equals' 15 } 16 17 private String a = ""; 18 private A b = null; 19 20 public void shouldWarn() { 21 a.equals("");A a=b; // violation 'left .* of .* equals' 22 } 23 24 public void shouldNotWarn() { 25 A a=b;a.equals(""); 26 } 27 28 class A {} 29 }