JAVASERVER FACES - Introduction to Java Programming: Comprehensive Version - page 1231

F IGURE 33.14

This JSF application enables you to perform addition, subtraction,
multiplication, and division.

Here are the steps to develop this project:

Step 1. Create a new managed bean named calculator with the request scope as
shown in Listing 33.7, CalculatorJSFBean.java.

create managed bean

Step 2. Create a JSF facelet in Listing 33.8, Calculator.xhtml.

create JSF facelet

L ISTING 33.7

CalculatorJSFBean.java
1 package jsf2demo;
2
3 import javax.inject.Named;
4 import javax.enterprise.context.RequestScoped;
5
6 @Named(value = "calculator" )
7 @RequestScoped
8 public class CalculatorJSFBean {
9 private Double number1; property number1

property number2
property result

10 private Double number2;

11 private Double result;

12
13 public CalculatorJSFBean() {
14 }
15
16 public Double getNumber1() {

17 return number1;

18 }
19
20 public Double getNumber2() {

21 return number2;

22 }
23
24

public Double getResult() {

25 return result;

26 }
27
28

public void setNumber1(Double number1) {

29 this .number1 = number1;

30 }
31
32

public void setNumber2(Double number2) {

33 this .number2 = number2;

34 }
35
36 public void setResult(Double result) {

37 this .result = result;

38 }
39