Posts by Aldinei Kiil • 11 points

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  A: java.lang.nullException error

  I know it’s solved, but in this part: String retorno= null; try{ File arquivo= new File("c:/Singelo/config.inf"); if(!(arquivo.exists())){ return null; } you could put a default return instead of…

  java xml swing mvc jpa

  answered 8 years, 5 months ago Aldinei Kiil 11