AvoidNoArgumentSuperConstructorCall
Since Checkstyle 8.29
Description
Checks if call to superclass constructor without arguments is present.
Such invocation is redundant because constructor body implicitly
begins with a superclass constructor invocation
super();
See
specification for detailed information.
Examples
To configure the check:
<module name="Checker">
<module name="TreeWalker">
<module name="AvoidNoArgumentSuperConstructorCall"/>
</module>
</module>
Example of violations
class SuperClass {
public SuperClass() {}
public SuperClass(int arg) {}
}
class Example1 extends SuperClass {
Example1() {
// violation below 'Unnecessary call to superclass constructor with no arguments'
super();
}
Example1(int arg) {
super(arg); // ok, explicit constructor invocation with argument
}
Example1(long arg) {
// ok, no explicit constructor invocation
}
}
Example of Usage
Violation Messages
All messages can be customized if the default message doesn't suit you. Please see the documentation to learn how to.
Package
com.puppycrawl.tools.checkstyle.checks.coding