code: /*
  WhitespaceAround
  allowEmptyConstructors = (default)false
  allowEmptyMethods = (default)false
  allowEmptyTypes = (default)false
  allowEmptyLoops = (default)false
  allowEmptyLambdas = (default)false
  allowEmptyCatches = (default)false
  ignoreEnhancedForColon = (default)true
  tokens = (default)ASSIGN, BAND, BAND_ASSIGN, BOR, BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR, \
           BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN, DO_WHILE, EQUAL, GE, GT, LAMBDA, LAND, \
           LCURLY, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE, LITERAL_FINALLY, \
           LITERAL_FOR, LITERAL_IF, LITERAL_RETURN, LITERAL_SWITCH, LITERAL_SYNCHRONIZED, \
           LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS, MINUS_ASSIGN, MOD, MOD_ASSIGN, \
           NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION, RCURLY, SL, SLIST, SL_ASSIGN, SR, \
           SR_ASSIGN, STAR, STAR_ASSIGN, LITERAL_ASSERT, TYPE_EXTENSION_AND
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.whitespace.whitespacearound;
  
  import java.util.function.*;
  
  
  public class InputWhitespaceAroundAllowEmptyLambdaExpressions {
      Runnable noop = () -> {}; // 2 violations
      Runnable noop2 = () -> {
          int x = 10;
      };
      BinaryOperator<Integer> sum = (x, y) -> x + y;
      Runnable noop3 = () -> {;}; // 2 violations
      Runnable noop4 = () -> {new String();}; // 2 violations
  }
  