src/Q6/Triangle.java


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package Q6;

public class Triangle {
  public static double NULL = 0.0;
  private double a, b, c;

  public Triangle(double a, double b, double c) {
    this.a = a;
    this.b = b;
    this.c = c;
  }

  public double getA() {
    return this.a;
  }

  public double getB() {
    if (this.b == NULL) this.b = Math.sqrt(Math.pow(this.getC(), 2) - Math.pow(this.getA(), 2));
    return this.b;
  }

  public double getC() {
    return this.c;
  }

  public boolean isRightTriangle() {
    return Math.pow(this.getA(), 2) + Math.pow(this.getB(), 2) == Math.pow(this.getC(), 2);
  }
}