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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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AppendCharacterWithChar


AppendCharacterWithChar
Avoid concatenating characters as strings in StringBuffer.append.
    
		
		
		    
		    
    		    
    		    
    		    

    		    This rule is defined by the following Java class:
    		    net.sourceforge.pmd.rules.strings.AppendCharacterWithChar
    		    
		    
	    
	    
        
        
        Example:
            
                    

public class Foo {
 void bar() {
  StringBuffer sb=new StringBuffer();
  // Avoid this
  sb.append("a");

  // use instead something like this
  StringBuffer sb=new StringBuffer();
  sb.append('a');
 }
}