code: /*
  EmptyCatchBlock
  exceptionVariableName = expected|ignore|myException
  commentFormat = This is expected
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.blocks.emptycatchblock;
  import java.io.IOException;
  public class InputEmptyCatchBlockDefaultLF
  {
  
      private void foo() {
          try {
              throw new RuntimeException();
          } catch (Exception expected) {
              //Expected
          }
      }
  
      private void foo1() {
          try {
              throw new RuntimeException();
          } catch (Exception e) {} // violation
  
      }
  
      private void foo2() {
          try {
              throw new IOException();
          } catch (IOException | NullPointerException | ArithmeticException ignore) {
          }
      }
  
      private void foo3() { // comment
          try {
              throw new IOException();
          } catch (IOException | NullPointerException | ArithmeticException e) { //This is expected
          }
      }
  
      private void foo4() {
          try {
              throw new IOException();
          } catch (IOException | NullPointerException | ArithmeticException e) { /* This is expected*/
          }
      }
  
      private void foo5() {
          try {
              throw new IOException();
          } catch (IOException | NullPointerException | ArithmeticException e) {  // violation
          }
      }
  
      private void foo6() {
          try {
              throw new IOException();
          } catch (IOException expected) { // This is expected
              int k = 0;
          }
      }
  
      public void testTryCatch()
      {
          try {
              int y=0;
              int u=8;
              int e=u-y;
              return;
          }
          catch (Exception e) {
              System.identityHashCode(e);
              return;
          }
          finally
          {
              return;
          }
      }
  
      public void testTryCatch2()
      {
          try {
          }
          catch (Exception e) {  // violation
              //This is expected
              /* This is expected */
              /**This is expected */
          }
          finally
          {
          }
      }
  
      public void testTryCatch3()
      {
          try {
              int y=0;
              int u=8;
              int e=u-y;
          }
          catch (IllegalArgumentException e) {
              System.identityHashCode(e); //some comment
              return;
          }
          catch (IllegalStateException ex) {
                  System.identityHashCode(ex);
                  return;
          }
      }
  
      public void testTryCatch4()
      {
          int y=0;
          int u=8;
          try {
              int e=u-y;
          }
          catch (IllegalArgumentException e) {
              System.identityHashCode(e);
              return;
          }
      }
      public void setFormats() {
          try {
              int k = 4;
          } catch (Exception e) {
              Object k = null;
              if (k != null)
                  k = "ss";
              else {
                  return;
              }
          }
      }
      public void setFormats1() {
          try {
              int k = 4;
          } catch (Exception e) {
              Object k = null;
              if (k != null) {
                  k = "ss";
              } else {
                  return;
              }
          }
      }
      public void setFormats2() {
          try {
              int k = 4;
          } catch (Exception e) {
              Object k = null;
              if (k != null) {
                  k = "ss";
                  return;
              }
          }
      }
      public void setFormats3() {
          try {
              int k = 4;
          } catch (Exception e) {
              Object k = null;
              if (k != null) {
                  k = "ss";
  
              }
          }
      }
  
      private void some() {
          try {
              throw new IOException();
          } catch (IOException e) { // violation
              /* ololo
               * blalba
               */
          }
      }
      private void some1() {
          try {
              throw new IOException();
          } catch (IOException e) { // violation
              /* lalala
               * This is expected
               */
          }
      }
      private void some2() {
          try {
              throw new IOException();
          } catch (IOException e) {
              /*
               * This is expected
               * lalala
               */
          }
      }
      private void some3() {
          try {
              throw new IOException();
          } catch (IOException e) { // violation
              // some comment
              //This is expected
          }
      }
      private void some4() {
          try {
              throw new IOException();
          } catch (IOException e) {
              //This is expected
              // some comment
          }
      }
      private void some5() {
          try {
              throw new IOException();
          } catch (IOException e) { // violation
              /* some comment */
              //This is expected
          }
      }
  
      private void emptyMultilineComment() {
          try {
              throw new IOException();
          } catch (IOException e) { // violation
              /*
  */
          }
      }
  }
  