Java

Encapsulation

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  • 2.

  • 3.

  • 4.

Java

1. private

public class Person { private String name; private int age; }

name age

2.

public class Person{ private String name; private int age; public int getAge(){ return age; } public String getName(){ return name; } public void setAge(int age){ this.age = age; } public void setName(String name){ this.name = name; } }

this private String namesetName(String name)name

java

EncapTest.java

/* : EncapTest.java */ public class EncapTest{ private String name; private String idNum; private int age; public int getAge(){ return age; } public String getName(){ return name; } public String getIdNum(){ return idNum; } public void setAge( int newAge){ age = newAge; } public void setName(String newName){ name = newName; } public void setIdNum( String newId){ idNum = newId; } }

public

gettersetter

gettersetter

EncapTest

RunEncap.java

/* F : RunEncap.java */ public class RunEncap{ public static void main(String args[]){ EncapTest encap = new EncapTest(); encap.setName("James"); encap.setAge(20); encap.setIdNum("12343ms"); System.out.print("Name : " + encap.getName()+ " Age : "+ encap.getAge()); } }

:

Name : James Age : 20