Olgu olemas abstraktne klass Kujund: public abstract class Kujund {
public abstract double pindala();
} Millised järgmistest variantidest on korrektsed?

Question

Olgu olemas abstraktne klass Kujund: public abstract class Kujund { 
     public abstract double pindala(); 
 } Millised järgmistest  variantidest  on korrektsed?

Answer

public abstract class Ring extends Kujund { 
     private int raadius; 
 }

Answer

public abstract class Ring implements Kujund { 
     private int raadius; 
     public double pindala(); 
 }

Answer

public class Ring extends Kujund { 
     private int raadius; 
     public double pindala(); 
 }

Answer

public class Ring extends Kujund { 
     private int raadius; 
     public double pindala(){ 
         return Math.PI * raadius * raadius; 
     } 
 }

Answer

public class Ring implements Kujund { 
     private int raadius; 
     public double pindala(){ 
         return Math.PI * raadius * raadius; 
     } 
 }

Answer

public class Ring implements Kujund { 
     private int raadius; 
 }

Crowdly

Olgu olemas abstraktne klass Kujund: public abstract class Kujund { public...

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