Posts by Adilson Oliveira • 81 points

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  A: Configure external Tomcat server

  Inside the Tomcat/conf folder is the server.xml file, responsible for configuring the service ports. Change the port on the line <Connector port="8081" protocol="HTTP/1.1"…

  java eclipse server tomcat

  answered 5 years, 7 months ago Adilson Oliveira 81

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  A: Deleting data from a MYSQL table with Java

  Remove the crases from the table and column name and also the quotes that involve passing the parameter in ps.setString() Your code goes like this: public void excluir(ModeloObjeto modelo) throws…

  java mysql jsf java-ee jdbc

  answered 5 years, 7 months ago Adilson Oliveira 81

• 2

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  1

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  A: how would that generic listAll() look?

  Take the class as a parameter in the method and pass to select. public List<T> listAll(Class<T> clazz){ return (List<T>) entityManager.createQuery("select t from " +…

  java jsf jpa generic jpql

  answered 5 years, 8 months ago Adilson Oliveira 81

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  A: Doubt about denial operator

  In java, if only checks a boleana condition. boolean condicao = true; if(condicao) { }... //agora é possível negar a condição if(!condicao) { }... //para verificar se uma String está vazia pode…

  javascript java characteristic-language

  answered 5 years, 8 months ago Adilson Oliveira 81