JavaBeans: Difference between revisions

Revision as of 03:57, 22 February 2006

Revision as of 20:55, 6 March 2006

Line 17:

== JavaBean Example ==

<pre>

public class PersonBean implements java.io.Serializable {

private String name;

private intString agename;<BR>

private Stringint nameage;

public PersonBean() {

private boolean alive;

// Our constructor. Note that it takes no arguments.

}<BR>

public void setName(String n) {

this.name = n;

}<BR>

public void setAge(int a) {

this.age = a;

} <BR>

public String getName() { return (this.name); }

public int getAge() { return (this.age); }

}

PersonBean person = new public PersonBean(); {

// Our constructor. Note that it takes no arguments (a default constructor).

person.setName("Bob");

}<BR>

System.out.println(person.getName());

public void setName(String n) {

this.name = n;

}<BR>

public PersonBeanvoid setAge(int a) {

this.age = a;

}

public void setAgesetDeceased(intboolean adeceased) {

this.deceased = deceased;

}

public String getName() { return (this.name); }

public int getAge() { return (this.age); }

// note slightly different semantics for a boolean field (*is* vs. *get*)

public boolean isDeceased() { return (this.deceased); }

}

PersonBean person = new PersonBean();

person.setName("Bob");

person.setAlive(false);

System.out.println(person.getName() + (person.isDeceased() ? " [deceased]");

</pre>

== See also ==