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/**
* Assignment 1, COMP268 Class: Triangle.java
*
* @description Represents a Triangle
* @author: mo khan Student ID: 3431709
* @date May 8, 2019
* @version 1.0
*/
package Q6;
public class Triangle {
public static double NULL = 0.0;
private double a, b, c;
/**
* Constructs a Triangle
*
* @param a the length of side A
* @param b the length of side B
* @param c the length of side C
*/
public Triangle(double a, double b, double c) {
this.a = a;
this.b = b;
this.c = c;
}
/** @return the length of side A */
public double getA() {
return this.a;
}
/** @return the length of side B */
public double getB() {
if (this.b == NULL) this.b = Math.sqrt(Math.pow(this.getC(), 2) - Math.pow(this.getA(), 2));
return this.b;
}
/** @return the length of side C */
public double getC() {
return this.c;
}
/**
* Determines if the triangle is a right angle triangle.
*
* @return boolean to indicate if the triangle is a right angle triangle
*/
public boolean isRightTriangle() {
return Math.pow(this.getA(), 2) + Math.pow(this.getB(), 2) == Math.pow(this.getC(), 2);
}
/** @return a string with the length of each side */
@Override
public String toString() {
return String.format("A: %f, B: %f, C: %f", this.getA(), this.getB(), this.getC());
}
public static void main(String[] args) {
System.out.print(new Triangle(48, Triangle.NULL, 80).toString());
System.out.print(new Triangle(84, Triangle.NULL, 91).toString());
System.out.print(new Triangle(45, 55, 75).isRightTriangle());
System.out.print(new Triangle(28, 45, 53).isRightTriangle());
}
}
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