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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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ImmutableField


ImmutableField
Identifies private fields whose values never change once they are initialized either in the declaration of the field or by
a constructor.  This aids in converting existing classes to immutable classes.
      
		
		
		    
		    
    		    
    		    
    		    

    		    This rule is defined by the following Java class:
    		    net.sourceforge.pmd.rules.design.ImmutableField
    		    
		    
	    
	    
        
        
        Example:
            
                    
  
public class Foo {
  private int x; // could be final
  public Foo() {
      x = 7;
  }
  public void foo() {
     int a = x + 2;
  }
}