code: /*
  RequireThis
  checkFields = (default)true
  checkMethods = (default)true
  validateOnlyOverlapping = false
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.coding.requirethis;
  
  import java.io.BufferedReader;
  import java.io.FileNotFoundException;
  import java.io.InputStreamReader;
  import java.io.IOException;
  
  public final class InputRequireThisStatic { // ok
      public static String staticField1 = "";
  
      public static String staticField2 = new String(staticField1);
  
      public String instanceField1;
      public BufferedReader instFld2;
  
      static {
          try (BufferedReader instFld2 = new BufferedReader(new InputStreamReader(null, "utf-8"))) {
              instFld2.readLine();
          }
          catch (FileNotFoundException e) {
          }
          catch (IOException e) {
          }
      }
  
      public String get() {
          return staticField1;
      }
  
      void foo50(String staticField1) {
          staticField1 = staticField1;
      }
  
      void foo52(String staticField1) {
          staticField1 += staticField1;
      }
  
      static void test(String instanceField1) {
          if (instanceField1 == null) {
              instanceField1 = staticField1;
          }
      }
  
      static void test2() {
          try (BufferedReader instFld2 = new BufferedReader(new InputStreamReader(null, "utf-8"))) {
              instFld2.readLine();
          }
          catch (IOException e) {
          }
      }
  }
  