/*
   UnusedLocalVariable
   allowUnnamedVariables = false
   
   */
   
   package com.puppycrawl.tools.checkstyle.checks.coding.unusedlocalvariable;
   
   import java.io.BufferedReader;
  import java.io.FileReader;
  import java.io.IOException;
  
  public enum InputUnusedLocalVariableEnum {
  
      CONST_1,
      CONST_2(new a() {
      }),
      CONST_3(new a() {
      });
  
      InputUnusedLocalVariableEnum(Object obj) {
          int a = 12; // violation, 'Unused local variable'
          a = (int) obj;
      }
  
      InputUnusedLocalVariableEnum() {
      }
  
      public static class nestedClass {
          int d = 12;
      }
  
      public class innerClass {
          int k = 1;
      }
  
      public void testTryWithResources(int a) {
          try (BufferedReader br =
                       new BufferedReader(new FileReader("someFile.txt"))) {
              br.readLine();
          }
          catch (IOException e) {
              e.printStackTrace();
          }
      }
  
      static int a = 12;
  
      public void testIncrementAndDecrementKinds() {
          int a = 0; // violation, 'Unused local variable'
          a = ++this.a;
          a++;
          a--;
          int index = 1;
          int[] arr = {1};
          arr[--index] = 3;
          int ind = 0;
          testTryWithResources(--ind);
          int k = 1;
          if (++k > 12) {
          }
          int p = 2;
          if ((++p - --p) > 21) {
          }
          int m = 2;
          int h = ++m;
          h += 1;
      }
  
      public void testBooleanExpressions() {
          boolean b = false;
          if (!b) {
          }
          boolean b1 = true;
          if (b1) {
          }
          boolean a; // violation, 'Unused local variable'
          if ((a = true) != false) {
          }
          boolean j; // violation, 'Unused local variable'
          if (j = true) {
          }
          boolean k = true, l = false;
          if (k && !l) {
          }
      }
  }
  
  class a {
  
      void method() {
          int d = 12; // violation, 'Unused local variable'
          InputUnusedLocalVariableEnum.nestedClass obj =
                  new InputUnusedLocalVariableEnum.nestedClass() {
                      void method() {
                          d += 12;
                      }
                  };
          obj.getClass();
     }
 }