public class Triangle
{
int a;
int b;
int c;
public Triangle(int a, int b, int c){
this.a = a;
this.b = b;
this.c = c;
}
public int getZhouChang(){
return a + b + c;
}
public double getArea(){
double area;
double s;
s=1.0/2*(a+b+c);
area = Math.sqrt(s*(s-a)*(s-b)*(s-c));
return area;
}
public boolean isTriangle(){
if(a + b > c || a + c > b || b + c > a){
return true;
}else{
return false;
}
}
}
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