There is no error, but not executing...could anyone done before...please give way to complie it
package com.codegym.task.task06.task0621;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
Cat relations
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String grandFatherName = reader.readLine();
Cat catGrandFather = new Cat(grandFatherName, null, null);
String grandMotherName = reader.readLine();
Cat catGrandMother = new Cat(grandMotherName, null, null);
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, catGrandFather, null);
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, null, catGrandMother);
String sonName = reader.readLine();
Cat catSon = new Cat(sonName, catFather, catMother);
String daughterName = reader.readLine();
Cat catDaughter = new Cat(daughterName, catFather , catMother);
System.out.println(catGrandFather);
System.out.println(catGrandMother);
System.out.println(catFather);
System.out.println(catMother);
System.out.println(catSon);
System.out.println(catDaughter);
}
public static class Cat {
private String name;
private Cat father;
private Cat mother;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat father, Cat mother) {
this.name = name;
this.father = father;
this.mother = mother;
}
@Override
public String toString() {
String mom=" ";
String dad=" ";
if(mom==null){
mom="no";
}
else
{
mom=mother.name+" "+"is the";
}
if(dad!=null){
dad="no";
}
else{
dad=father.name+" "+"is the";
}
return "The cat's name is"+" "+name+", "+mom+" "+"mother, "+dad+" "+"father";
}
}
}