org.sonar.l10n.pmd.rules.pmd.LocalVariableCouldBeFinal.html Maven / Gradle / Ivy

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PMD is a tool that looks for potential problems like possible bugs, dead code, suboptimal code, overcomplicated expressions or duplicate code.

There is a newer version: 2.4

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A local variable assigned only once can be declared final. Example :
  public class Bar {
 public void foo () {
  String a = "a"; //if a will not be assigned again it is better to do this:
  final String b = "b";
 }
}