# Remove Unnecessary Thrown Exceptions on Method Signatures
# Properties
| Property | Value |
|---|---|
| Rule ID | RemoveUnnecessaryThrows |
| First seen in jSparrow version | 2.7.0 |
| Minimum Java version | 1.1 |
| Remediation cost | 2 min |
| Links | S1130 |
# Description
Removes the following exceptions on method signatures:
- Exceptions that are subtypes of already thrown exceptions
- Exceptions that are thrown more than once
- Exceptions that are inheriting from
RuntimeException
# Benefits
Improves the readability by removing code that adds no information on the method signature.
# Code Changes
# Declaring a throws exception whose parent type is already thrown
Pre
public void throwingChildAndParent() throws ChildException, ParentException {
...
}
Post
public void throwingChildAndParent() throws ParentException {
...
}
# Declaring a throws exceptions more than once
Pre
public void throwingTheSameExceptionTwice_() throws Exception, Exception {
...
}
Post
public void throwingTheSameExceptionTwice_() throws Exception {
...
}
# Declaring a throws Unchecked exception
Pre
public void throwingRuntimeException() throws ArrayIndexOutOfBoundsException {
...
}
Post
public void throwingRuntimeException() {
...
}
Automatic Application of This Rule
The automatic application of this rule is supported in the following jSparrow versions:
# Tags
Tags
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