Deprecated Java JList feature -


as retirement project learn , use java worked way through deitel book bought in 2005. working on cypher-breaking program thought up. have not yet progressed using tool such eclipse. java compiler warns "java uses or overrides deprecated api" , "java uses unscheduled or unsafe operations" concerning use of jlist. << private jlist foundjlist; >> , << foundjlist = new jlist(); >>

the program executes ok through initial loading of data jlist simple array << foundjlist.setlistdata( sortedletter ); >> program throws error later in program on identical << foundjlist.setlistdata( sortedletter ); >> statement after have changed values in supporting array 'sortedletter" . <<< correction may 18 2014 >>>> had misunderstood purpose of setlistdata feature, assuming loaded jlist array instead of real purpose of binding array jlist. deleted instruction containing second setlistdata , went well.

can recommend modern java book cover modern alternative deprecated jlist feature?

try letting jlist know kind of data intended hold, like:

jlist<string> list = new jlist<string>();

or

jlist<string> list = new jlist<>();

depending on version of java.

as far current resources on java, try ol' java tutorial. i'll hazard guess , book may predate java 1.5, introduced first of number of big changes on next couple of versions, including: swingfx, generics (which ran into), jdbc, file i/o... name few things off top of head. book should repurposed doorstop @ point. i'd recommend using tutorial until hit specialized area of interest warrants book -- tutorial quite good.


-

Comments

Post a Comment

Popular posts from this blog

how to proxy from https to http with lighttpd -

i have internal site (192.168.2.1) accessible http on different server run public web-server using lighttpd. can make internal site accessible outside work follows $http["host"] == "internal.example.com" { ... proxy.server = ( "" => ( "internal" => ( "host" => "192.168.2.1", "port" => 8000 ) ) } this works, use https outside world. question is, how can proxy going https http ? i've tried this: $server["socket"] == ":443" { $http["host"] == "internal.example.com" { ... proxy.server = ( "" => ( "internal" => ( "host" => "http://192.168.2.1", "port" => 8000 ) ) } } but doesn't seem wor...
Read more

android - Automated my builds -

i have multiple app , android project want automated in build , release sequence. have ant script build , create apk of app. want have 1 script or ant file start build sequence app. maybe don't konw search, can't find easy documentation on ant. the point of use jenkins ant (or maven, i'm not sure of difference between them now) automated build sequence when people commit on project. any int appreciated maven dependencies (over ant) don't need pass around jars. recommend maven on ant day. syntax , overall process easier understand, @ end of both build tools. if able to, more recommend upgrading gradle. easy create different build types , create them ./gradlew assemble here project jake wharton can see power of gradle. there release , debug build, can make lot more if like. https://github.com/jakewharton/u2020 here android docs gradle http://tools.android.com/tech-docs/new-build-system/user-guide . if can't find looking here, check out main grad...
Read more

python - Flask migration error -

i've got application build on flask , wanted create new migration today. when run $python manage.py db upgrade i got message raise util.commanderror('only single head supported. ' alembic.util.commanderror: single head supported. script directory has multiple heads (due branching), must resolved manually editing revision files form linear sequence. run alembic branches see divergence(s). so run command $alembic branches no config file 'alembic.ini' found, or file has no '[alembic]' section any clue on about? the error messages coming alembic, use command form alembic <command> , integrating flask coming flask-migrate, need use form python manage.py db branches . to resolve multiple branches, make 1 of branches point down other branch upgrade graph straight line. see alembic's docs on branches: http://alembic.readthedocs.org/en/latest/branches.html
Read more