package com.google.checkstyle.test.chapter5naming.rule527localvariablenames;
   
   import java.util.HashMap;
   import java.util.Map;
   
   class InputLocalVariableNameOneCharVarName {
     /** some javadoc. */
     public void fooMethod() {
       for (int i = 1; i < 10; i++) {
        // some code
      }
  
      for (int index = 1; index < 10; index++) {
        // some code
      }
  
      for (int I_ndex = 1; I_ndex < 10; I_ndex++) {
        // violation above 'Local variable name 'I_ndex' must match pattern'
        // some code
      }
  
      int index = 1;
  
      for (; index < 10; index++) {
        // some code
      }
  
      int i = 0;
  
      for (; i < 12; i++) {
        // some code
      }
  
      Map<String, String> map = new HashMap<String, String>();
  
      for (Map.Entry<String, String> e : map.entrySet()) {
        // some code
      }
  
      int[] b = {1};
      int[][] c = {{1}, {2}};
      for (int a = 0; a < 10; a++) {
        // something
      }
  
      for (int i_ndex = 1; i_ndex < 10; i_ndex++) {
        // violation above 'Local variable name 'i_ndex' must match pattern'
      }
  
      for (int ii_i1 = 1; ii_i1 < 10; ii_i1++) {
        // violation above 'Local variable name 'ii_i1' must match pattern'
      }
  
      for (int $index = 1; $index < 10; $index++) {
        // violation above 'Local variable name .* must match pattern'
      }
  
      for (int in$dex = 1; in$dex < 10; in$dex++) {
        // violation above 'Local variable name .* must match pattern'
      }
  
      for (int index$ = 1; index$ < 10; index$++) {
        // violation above 'Local variable name .* must match pattern'
      }
    }
  }