code: /*
  LambdaParameterName
  format = (default)^[a-z][a-zA-Z0-9]*$
  
  
  */
  
  //non-compiled with javac: Compilable with Java14
  package com.puppycrawl.tools.checkstyle.checks.naming.lambdaparametername;
  
  import java.util.stream.Stream;
  
  public class InputLambdaParameterNameSwitchExpression {
      boolean method1(Nums k, String string) {
          switch (k) {
              case ONE:
                  Stream.of(string.split(" "))
                          .map(word -> word.trim())
                          .anyMatch(Word -> "in".equals(Word)); // violation
                  break;
              default:
          }
          return false;
      }
  
      boolean method2(Nums k, String string) {
          switch (k) {
              case ONE -> {
                  Stream.of(string.split(" "))
                          .map(word -> word.trim())
                          .anyMatch(Word -> "in".equals(Word)); // violation
                  System.out.println("case one");
              }
              default -> Stream.of(string.split(" "))
                      .map(word -> word.trim())
                      .anyMatch(Word -> "in".equals(Word)); // violation
          }
          return true;
      }
  
      boolean method3(Nums k, String string) {
          return switch (k) {
              case ONE:
                  yield Stream.of(string.split(" "))
                          .map(word -> word.trim())
                          .anyMatch(Word -> "in".equals(Word)); // violation
              default:
                  yield false;
          };
      }
  
      boolean method4(Nums k, String string) {
          return switch (k) {
              case ONE -> {
                  yield Stream.of(string.split(" "))
                          .map(word -> word.trim())
                          .anyMatch(Word -> "in".equals(Word)); // violation
              }
              default -> { yield false; }
          };
      }
  
  
      enum Nums {ONE, TWO, THREE}
  }
  