Posts by user28605 • 73 points

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  Q: What is the usefulness of the ! operator in Java?

  In a if(!aplicaDescontoDe(valor)); in which the method aplicaDescontDe is a boolean, how it works not understood? In that Example: public boolean aplicaDescontoDe(double porcentagem) {…

  java operators

  asked 9 years, 2 months ago user28605 73