package cviceni4;import java.util.Scanner;public class DomaciUkol{ public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Zadejte prvni stranu trojuhelniku."); double a = sc.nextDouble(); System.out.println("Zadejte druhou stranu trojuhelniku."); double b = sc.nextDouble(); System.out.println("Zadejte treti stranu trojuhelniku."); double c = sc.nextDouble(); double a2 = a*a; double b2 = b*b; double c2 = c*c; double aa = a2 + b2; double bb = b2 + c2; double cc = a2 + c2; boolean ses = true; if (a < 0 || b < 0 || c < 0){ ses = false; } if (a == c && b == c && ses){ System.out.println("Trojuhelnik je rovnostranny."); System.out.println("Trojuhelnik lze sestrojit."); System.out.println("Trojuhelnik neni pravouhly."); } else if (a+b > c && a+c > b && b+c > a && ses){ System.out.println("Trojuhelnik neni rovnostranny."); System.out.println("Trojuhelnik lze sestrojit."); if (a == b || b == c || c == a){ System.out.println("Trojuhelnik je rovnoramenny."); if (aa == c2 || cc == b2 || bb == a2){ System.out.println("Trojuhelnik je pravouhly."); } else { System.out.println("Trojuhelnik neni pravouhly."); } } else { System.out.println("Trojuhelnik neni rovnoramenny."); if (aa == c2 || cc == b2 || bb == a2){ System.out.println("Trojuhelnik je pravouhly."); } else { System.out.println("Trojuhelnik neni pravouhly."); } } } else { System.out.println("Trojuhelnik nelze sestrojit."); } }}