Angolo.java:
codice:
package pack;
public class Angolo {
protected Double value;
protected String type;
public Angolo(Double n) {
System.out.println("L'angolo inserito si presume in DEG");
value = n;
type = "deg";
}
public Angolo(Double n, String s){
if (s.equalsIgnoreCase("d") || s.equalsIgnoreCase("deg")) {
value = n;
type = "deg";
} else if (s.equalsIgnoreCase("r") || s.equalsIgnoreCase("rad")) {
value = n;
type = "rad";
} else if (s.equalsIgnoreCase("g") || s.equalsIgnoreCase("gon")) {
value = n;
type = "gon";
}
}
public static Double DegToRad(Double n) {
// n:180 = value:pi_greco
return n*java.lang.Math.PI/180;
}
public static Double DegToGon(Double n) {
// n:180 = value:200
return n*200/180;
}
public static Double RadToDeg(Double n) {
// n:pi_greco = value:180
return n*180/java.lang.Math.PI;
}
public static Double RadToGon(Double n) {
// n:pi_greco = value:200
return n*200/java.lang.Math.PI;
}
public static Double GonToDeg(Double n) {
// n:200 = value:180
return n*180/200;
}
public static Double GonToRad(Double n) {
// n:200 = value:pi_greco
return n*java.lang.Math.PI/200;
}
public void DegToRad() {
// n:180 = value:pi_greco
value = this.value*java.lang.Math.PI/180;
type = "rad";
}
public void DegToGon() {
// n:180 = value:200
value = this.value*200/180;
type = "gon";
}
public void RadToDeg() {
// n:pi_greco = value:180
value = this.value*180/java.lang.Math.PI;
type = "deg";
}
public void RadToGon() {
// n:pi_greco = value:200
value = this.value*200/java.lang.Math.PI;
type = "gon";
}
public void GonToDeg() {
// n:200 = value:180
value = this.value*180/200;
type = "deg";
}
public void GonToRad() {
// n:200 = value:pi_greco
value = this.value*java.lang.Math.PI/200;
type = "rad";
}
public String getType(){
return this.type;
}
public Double getValue() {
return this.value;
}
protected void setType(String s){
if (s.equalsIgnoreCase("d") || s.equalsIgnoreCase("deg")) {
type = "deg";
} else if (s.equalsIgnoreCase("r") || s.equalsIgnoreCase("rad")) {
type = "rad";
} else if (s.equalsIgnoreCase("g") || s.equalsIgnoreCase("gon")) {
type = "gon";
}
}
protected void setValue(Double n){
value = n;
}
}
compilo e tutto ok...
Teta.java:
codice:
package pack;
import pack.Angolo;
import pack.Vertice;
public class Teta extends Angolo {
public Teta (Double n, String s, Vertice v1, Vertice v2) {
//si chiamerebbe teta_v1_v2
if(n > 0){
if (s.equalsIgnoreCase("d") || s.equalsIgnoreCase("deg")) {
super.setValue(n);
super.setType("deg");
} else if (s.equalsIgnoreCase("r") || s.equalsIgnoreCase("rad")) {
super.setValue(n);
super.setType("rad");
} else if (s.equalsIgnoreCase("g") || s.equalsIgnoreCase("gon")) {
super.setValue(n);
super.setType("gon");
}
} else {
if (s.equalsIgnoreCase("d") || s.equalsIgnoreCase("deg")) {
super.setValue(n+360);
super.setType("deg");
} else if (s.equalsIgnoreCase("r") || s.equalsIgnoreCase("rad")) {
super.setValue(n+2*Math.PI);
super.setType("rad");
} else if (s.equalsIgnoreCase("g") || s.equalsIgnoreCase("gon")) {
super.setValue(n+400);
super.setType("gon");
}
}
this.set_and_verify(this,v1,v2);
}
private void set_and_verify(Teta ang, Vertice v1, Vertice v2){
if(v1.get_est() > v2.get_est()){
if (ang.getType().equalsIgnoreCase("d") || ang.getType().equalsIgnoreCase("deg")) {
ang.setValue(ang.getValue()+180);
} else if (ang.getType().equalsIgnoreCase("r") || ang.getType().equalsIgnoreCase("rad")) {
ang.setValue(ang.getValue()+Math.PI);
} else if (ang.getType().equalsIgnoreCase("g") || ang.getType().equalsIgnoreCase("gon")) {
ang.setValue(ang.getValue()+200);
}
}
}
}
parovo a compilare ma mi da questo errore:
pack\Teta.java:7: cannot find symbol
symbol : constructor Angolo()
location: class pack.Angolo
public Teta (Double n, String s, Vertice v1, Vertice v2) {
^
1 error
si può sapere cosa sbaglio????