'clone()' does not declare 'CloneNotSupportedException'
Reports clone()
methods that do not declare throws CloneNotSupportedException
.
If throws CloneNotSupportedException
is not declared, the method's subclasses will not be able to prohibit cloning in the standard way. This inspection does not report clone()
methods declared final
and clone()
methods on final
classes.
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
CloneDoesntDeclareCloneNotSupportedException
Configure the inspection:
Use the Only warn on 'protected' clone methods option to indicate that this inspection should only warn on protected clone()
methods. The Effective Java book (second and third edition) recommends omitting the CloneNotSupportedException
declaration on public
methods, because the methods that do not throw checked exceptions are easier to use.
Example:
public class Example implements Cloneable {
// method doesn't declare 'throws CloneNotSupportedException'
protected Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
return null;
}
}
}
Here you can find the description of settings available for the 'clone()' does not declare 'CloneNotSupportedException' inspection, and the reference of their default values.
Inspection Details | |
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By default bundled with: | |
Can be installed with plugin: | Java, 243.23126 |
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