Details
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Type:
Bug Detection
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Status: Active
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Resolution: Unresolved
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Labels:
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Message:Either add a public constructor or make the methods of this class "static".
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Default Severity:Minor
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Impact:Low
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Likelihood:Low
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Default Quality Profiles:Sonar way
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Targeted languages:Java
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Remediation Function:Constant/Issue
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Constant Cost:30min
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PMD:MissingStaticMethodInNonInstantiatableClass
Description
Classes without public static members cannot be used without being instantiated, but classes with only private constructors cannot be instantiated. When a class has only private constructors and no static members, it is useless and should be removed or refactored.
Noncompliant Code Example
public class MyClass { // Noncompliant private MyClass () { } public double getPi(){ return 3.14; } }
Compliant Solution
public class MyClass { public MyClass () { } public double getPi(){ return 3.14; } }
or
public class MyClass { private MyClass () { } public static double getPi(){ return 3.14; } }
Attachments
Issue Links
- is related to
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