Concat two String in JSF EL expression [duplicate]

Answer 1

You have to write a custom EL function. This example will help you :)

Answer 2

You can use the String.concat function:

<af:outputText value="#{viewArticle.publish ? 'Publish on '.concat(viewArticle.publishDate).concat(' by ').concat(viewArticle.publishFirstName).concat(' ').concat(viewArticle.publishLastName) : 'Draft version'}"/>

Answer 3

You should write

value  = "#{someBean.aProperty}  something you want in between #{someBean.anotherProperty}"