java 封装,Encapsulation in Java

package com.henrytien.hotmail;

public class Student {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}

package com.henrytien.hotmail;

public class TestJava {

public static void main(String[] args) {
Student s = new Student();
s.setName("henry");
System.out.println(s.getName());
}

}