UnnecessarySemicolonInTryWithResources.md

Pattern: Unnecessary ; in last resource declaration

Issue: -

Description

Checks if unnecessary semicolon is used in last resource declaration.

Examples

To configure the check:

<module name="UnnecessarySemicolonInTryWithResources"/>

Example of violations

class A {

    void method() throws IOException {

        try(Reader r1 = new PipedReader();){} // violation

        try(Reader r4 = new PipedReader();Reader r5 = new PipedReader()

        ;){} // violation

        try(Reader r6 = new PipedReader();

            Reader r7

                   = new PipedReader();

        ){}

    }

}

To configure the check to detect unnecessary semicolon if closing paren is not on same line

<module name="UnnecessarySemicolonInTryWithResources">

  <property name="allowWhenNoBraceAfterSemicolon" value="false"/>

</module>

Example of exclusion

class A {

    void method() throws IOException {

        try(Reader r1 = new PipedReader();){} // violation

        try(Reader r6 = new PipedReader();

            Reader r7 = new PipedReader(); // violation

        ){}

    }

}

Further Reading

• checkstyle - UnnecessarySemicolonInTryWithResources