Since Checkstyle 8.22
Checks if unnecessary semicolon is used in last resource declaration.
| name | description | type | default value | since |
|---|---|---|---|---|
| allowWhenNoBraceAfterSemicolon | Allow unnecessary semicolon if closing paren is not on the same line. | boolean | true |
8.22 |
To configure the check:
<module name="Checker">
<module name="TreeWalker">
<module name="UnnecessarySemicolonInTryWithResources"/>
</module>
</module>
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="Checker">
<module name="TreeWalker">
<module name="UnnecessarySemicolonInTryWithResources">
<property name="allowWhenNoBraceAfterSemicolon" value="false"/>
</module>
</module>
</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
){}
}
}
All messages can be customized if the default message doesn't suit you. Please see the documentation to learn how to.
com.puppycrawl.tools.checkstyle.checks.coding