code: /*
  AvoidDoubleBraceInitialization
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.coding.avoiddoublebraceinitialization;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  
  public class InputAvoidDoubleBraceInitialization {
      void m() {
          ArrayList<?> list = new ArrayList<Object>() { // violation
              {
                  add(null);
              }
          };
          list = new ArrayList<Object>() { // violation
              {
                  add(null);
              }
  
              {
                  add(null);
              }
          };
          list = new ArrayList<Object>() { // violation
              // some comment
              {
                  add(null);
              }
          };
          list = new ArrayList<Object>() { // violation
              {
                  add(null);
              } // some comment
          };
          list = new ArrayList<Object>() { // violation
              {
                  add(null);
              }
              // some comment
          };
          list = new ArrayList<Object>() { // violation
              /* comment */ {
                  add(null);
              }
          };
          list = new ArrayList<Object>() { // violation
              {
                  add(null);
              }
              /* comment */
          };
          list = new ArrayList<Object>() { // violation
              {
                  add(null);
              } /* comment */
          };
          list = new ArrayList<Object>() { // violation
              ;
              ;
              {}
              ;
              ;
              ;
          };
          Object obj = new Serializable() {  // violation
              {}
          };
          new ArrayList<Object>() {{ // violation
                  add("1");
                  add("2");
          }};
          new ArrayList<Object>() {{ add("1");}}; // violation
          new ArrayList<Object>() {{ add("1");}{ add("2");}}; // violation
          list = new ArrayList<Object>() {
              {
                  add(null);
              }
  
              public void foo() {
              }
          };
          list = new ArrayList<Object>() {
              private Object o;
  
              {
                  add(null);
              }
          };
          list = new ArrayList<Object>() {
              private Object o;
          };
          list = new ArrayList<Object>() {
              ;
          };
      }
  
      {
      }
  
      enum AA {
          ;
          {}
      }
  
      class Inner {
          {}
      }
  }
  