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October 3, 2016 14:32
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FAQ: How to populate radiobuttons with items from Java class like we did with selectlist?
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| <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Student Confirmation</title> | |
| </head> | |
| <body> | |
| The student is confirmed: ${student.firstName} ${student.lastName} | |
| <br><br> | |
| Favorite Language: ${student.favoriteLanguage} | |
| </body> | |
| </html> |
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| <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Student Registration Form</title> | |
| </head> | |
| <body> | |
| <form:form action="processForm" modelAttribute="student"> | |
| First name: <form:input path="firstName" /> | |
| <br><br> | |
| Last name: <form:input path="lastName" /> | |
| <br><br> | |
| Favorite Language: | |
| <form:radiobuttons path="favoriteLanguage" items="${student.favoriteLanguageOptions}" /> | |
| <br><br> | |
| <input type="submit" value="Submit" /> | |
| </form:form> | |
| </body> | |
| </html> |
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| package com.luv2code.springdemo.mvc; | |
| import java.util.LinkedHashMap; | |
| public class Student { | |
| private String firstName; | |
| private String lastName; | |
| private String favoriteLanguage; | |
| private LinkedHashMap<String, String> favoriteLanguageOptions; | |
| // create no-arg constructor | |
| public Student() { | |
| // populate favorite language options | |
| favoriteLanguageOptions = new LinkedHashMap<>(); | |
| // parameter order: value, display label | |
| // | |
| favoriteLanguageOptions.put("Java", "Java"); | |
| favoriteLanguageOptions.put("C#", "C#"); | |
| favoriteLanguageOptions.put("PHP", "PHP"); | |
| favoriteLanguageOptions.put("Ruby", "Ruby"); | |
| } | |
| public String getFavoriteLanguage() { | |
| return favoriteLanguage; | |
| } | |
| public void setFavoriteLanguage(String favoriteLanguage) { | |
| this.favoriteLanguage = favoriteLanguage; | |
| } | |
| public LinkedHashMap<String, String> getFavoriteLanguageOptions() { | |
| return favoriteLanguageOptions; | |
| } | |
| // define getter/setter methods | |
| public String getFirstName() { | |
| return firstName; | |
| } | |
| public void setFirstName(String firstName) { | |
| this.firstName = firstName; | |
| } | |
| public String getLastName() { | |
| return lastName; | |
| } | |
| public void setLastName(String lastName) { | |
| this.lastName = lastName; | |
| } | |
| } |
Hi can we use List<> in Select statements ?
Will both value, label will become same in that case ?
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
Do we really need this line in student-confirmation.jsp file?
Why?
Hi Ashutosh,
Can you repost the question to the Udemy classroom discussion Q&A? We can provide tech support on the Udemy platform. Here's the link to the classroom discussion Q&A:
https://www.udemy.com/spring-hibernate-tutorial/learn/v4/questions
thanks for your understanding.
Thanks GURU!!
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I am trying to use radio button by using LinkedHashMap but in my jsp page i am unable to see multiple radio buttons with the label.
It is showing only one radio button with no labels.