java - JSTL using var in foreach items -

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i have c:foreach, iterates let's 20 24

<c:foreach var="i" begin="20" end="24">

and inside it, c:foreach

<c:foreach items="${'${i}'}" var="entry">

because pass controller multiple lists this: 

for(team t : teams) { string name = team.getteamid() + ""; model.addobject(name, tabledata); }

where team object , model modelandview. controller seems work fine, in jsp used data it. can't items correctly.. need obtain items="20" when var 20 , don't know try anymore. there teams id 20 24, i've checked , error says either numberformatexceptions or don't know how iterate on provided items..

thanks in advance!

if want obtain items="20" in second foreach, can try this:

<c:foreach var="i" begin="20" end="24"> <c:set var="tmp" value="${i}"> <c:foreach items="${tmp}" var="entry">     ... </c:foreach> </c:foreach>

but seems "items" must iterable data.


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