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Sanity4J was created to simplify running multiple static code analysis tools on the Java projects. It provides a single entry point to run all the selected tools and produce a consolidated report, which presents all findings in an easily accessible manner.

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SA_LOCAL_DOUBLE_ASSIGNMENT

SA: Double assignment of local variable  (SA_LOCAL_DOUBLE_ASSIGNMENT)
 This method contains a double assignment of a local variable; e.g.

  public void foo() {
    int x,y;
    x = x = 17;
  }

Assigning the same value to a variable twice is useless, and may indicate a logic error or typo.