单选题The relationship of jati to varna is most comparable to which of the following relationships?A The relationship of individual playing cards to a 52-card deckB The relationship of a group of related species of animals to the genus to which the species b

Relations of Staquinas’ achievements to previous efforts.

How Staquinas worked out in the balance in discussion.

Other endeavors on the relationship of reason and revelation.

Outstanding features of the mature period of Scholasticism.

Discovering new species.

Protecting rare species.

Restoring extinct species.

Reforming existing species.

Inheritance represents an is-a relationship.

Inheritance represents a has-a relationship.

Interfaces must be used when creating a has-a relationship.

Instance variables can be used when creating a has-a relationship.

public interface Person {}  Public class Employee extends Person {}

public interface Shape {}  public interface Rectangle extends Shape {}

public interface Color {}  public class Shape { private Color color； }

public class Species {}  public class Animal { private Species species； }

interface Component {} Class Container implements Component {private Component [] children；

Both are higher than normal burning temperatures

The flash point is always higher

The ignition temperature is always higher

They are not necessarily related

Volume Group > Physical Volume > Logical Volume > Filesystem

Physical Volume > Volume Group > Logical Volume > Filesystem

Volume Group > Physical Volume > Filesystem > Logical Volume

Physical Volume > Volume Group > Filesystem > Logical Volume

Has-a relationships should never be encapsulated.

Has-a relationships should be implemented using inheritance.

Has-a relationships can be implemented using instance variables.

Is-a relationships can be implemented using the extends keyword.

Is-a relationships can be implemented using the implements keyword.

An array or a collection can be used to implement a one-to-many has-a relationship.

The relationship between Movie and Actress is an example of an is-a relationship.

public interface Person { }  public class Employee extends Person { }

public interface Shape { }  public class Employee extends Shape { }

public interface Color { }  public class Employee extends Color { }

public class Species { }  public class Animal （private Species species；）

interface Component { }  Class Container implements Component （ Private Component[ ] children；  ）

Liquids with different viscosities will always have the same specific gravity

Liquids with different viscosities will never have the same specific gravity

Viscosity and specific gravity are directly proportional

Viscosity and specific gravity are not related in that one does not define or limit the other

managerial mode

permissive mode

arbitrary mode

democratic mode

VolumeGroup>PhysicalVolume>LogicalVolume>Filesystem

PhysicalVolume>VolumeGroup>LogicalVolume>Filesystem

VolumeGroup>PhysicalVolume>Filesystem>LogicalVolume

PhysicalVolume>VolumeGroup>Filesystem>LogicalVolume

public class X {  }     public class Y extends X { }

public interface Shape { }     public interface Rectangle extends Shape{ }

public interface Color { }     public class Shape { private Color color； }

public interface Species { }     public class Animal { private Species species； }

public class Person { }    public class Employee {      public Employee（Person person） { }

interface Component { }     class Container implements Component {   private Component[] children； }

A mother to a daughter

A brother to a sister

one of several subsidiaries spun off from a large corporation

A computer program to a computer

Orange juice to an orange tree