How to modify XML tag in Java? -

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i have xml file tag following :

<sometag/>

i want modify tag following :

<sometag>somevalue</sometag>

initially tried delete element , create new element, doesnt work. know there method rename tag, tried following code, dont know how add value (somevalue) renamed element(sometag).

nodelist scpnodes=doc.getelementsbytagname("sometag");     (int = 0; < scpnodes.getlength(); i++) {         element tobereplaced=(element) scpnodes.item(i);         doc.renamenode(tobereplaced, tobereplaced.getnamespaceuri(),"sometag");              // how append value ?     }

you have call

tobereplaced.settextcontext("somevalue");

and rid of 

doc.renamenode(tobereplaced, tobereplaced.getnamespaceuri(),"sometag");

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