Class UnnecessarySemicolonAfterTypeMemberDeclarationCheck

All Implemented Interfaces:
Configurable, Contextualizable

public final class UnnecessarySemicolonAfterTypeMemberDeclarationCheck extends AbstractCheck

Checks if unnecessary semicolon is used after type member declaration.

This check is not applicable to empty statements (unnecessary semicolons inside methods or init blocks), EmptyStatement is responsible for it.

To configure the check:

 <module name="UnnecessarySemicolonAfterTypeMemberDeclaration"/>
 

Results in following:

 class A {
     ; // violation, standalone semicolon
     {}; // violation, extra semicolon after init block
     static {}; // violation, extra semicolon after static init block
     A(){}; // violation, extra semicolon after constructor definition
     void method() {}; // violation, extra semicolon after method definition
     int field = 10;; // violation, extra semicolon after field declaration

     {
         ; // no violation, it is empty statement inside init block
     }

     static {
         ; // no violation, it is empty statement inside static init block
     }

     void anotherMethod() {
         ; // no violation, it is empty statement
         if(true); // no violation, it is empty statement
     }
 }
 

Parent is com.puppycrawl.tools.checkstyle.TreeWalker

Violation Message Keys:

  • unnecessary.semicolon
Since:
8.24
  • Field Details

    • MSG_SEMI

      public static final String MSG_SEMI
      A key is pointing to the warning message text in "messages.properties" file.
      See Also:
  • Constructor Details

    • UnnecessarySemicolonAfterTypeMemberDeclarationCheck

      public UnnecessarySemicolonAfterTypeMemberDeclarationCheck()
  • Method Details

    • getDefaultTokens

      public int[] getDefaultTokens()
      Description copied from class: AbstractCheck
      Returns the default token a check is interested in. Only used if the configuration for a check does not define the tokens.
      Specified by:
      getDefaultTokens in class AbstractCheck
      Returns:
      the default tokens
      See Also:
    • getAcceptableTokens

      public int[] getAcceptableTokens()
      Description copied from class: AbstractCheck
      The configurable token set. Used to protect Checks against malicious users who specify an unacceptable token set in the configuration file. The default implementation returns the check's default tokens.
      Specified by:
      getAcceptableTokens in class AbstractCheck
      Returns:
      the token set this check is designed for.
      See Also:
    • getRequiredTokens

      public int[] getRequiredTokens()
      Description copied from class: AbstractCheck
      The tokens that this check must be registered for.
      Specified by:
      getRequiredTokens in class AbstractCheck
      Returns:
      the token set this must be registered for.
      See Also:
    • visitToken

      public void visitToken(DetailAST ast)
      Description copied from class: AbstractCheck
      Called to process a token.
      Overrides:
      visitToken in class AbstractCheck
      Parameters:
      ast - the token to process