[php] triangulo
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- /**************************************************************
- * *
- * Poligono.java *
- * *
- * Classe abstrata que representa poligonos, *
- * e duas subclasses dessa classe: Triangulo e Retangulo *
- *-------------------------------------------------------------*/
- abstract class Poligono
- { public float dim[]; public String nome;
- abstract float area();
- }
- class Triangulo extends Poligono
- { Triangulo (float base, float altura)
- { dim = new float[2];
- dim[0] = base; dim[1] = altura;
- nome = "Triangulo"; }
- public float area ()
- { return dim[0] * dim[1] / 2; }
- }
- class Retangulo extends Poligono
- { Retangulo (float comprimento, float largura)
- { dim = new float[2];
- dim[0] = comprimento; dim[1] = largura;
- nome = "Retangulo"; }
- public float area ()
- { return dim[0] * dim[1]; }
- }
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