How do I start Java? I'm a novice.

I got a java book and just downloaded JDK 5.0 Update 3. After installing it, I couldn't find a
way to start the program. There's no icons or exe. files that can do that. I was just going to
try to type in some simple samples from the book. Now I can't even do that.
Thanks.

Hahaha, I think this is a serious case of a Windows user thinking all programs can be started from an icon (technically it can if things are setup right).
Well, pity those who didn't live through the era of command lines. Anyway, I am till now just kidding around so don't flame me, yet.
To maybe start learning from scratch, the OP may decide to learn a bit of shell and windows command to at least get a feel of how to use command lines to work.
Google gave me the following links:
Windows XP Commands - http://www.ss64.com/nt/
Using the Windows Console - http://dream.cs.bath.ac.uk/software/sndan/use_console.html
regards,
james

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    ERROR => W2 (pid 3548) died [dpxxdisp.c   12170]
    my types changed after wp death/restart 0xbe --> 0xbc
    ERROR => W3 (pid 1464) died [dpxxdisp.c   12170]
    my types changed after wp death/restart 0xbc --> 0xb8
    ERROR => W4 (pid 3368) died [dpxxdisp.c   12170]
    ERROR => W5 (pid 3400) died [dpxxdisp.c   12170]
    my types changed after wp death/restart 0xb8 --> 0xb0
    ERROR => W6 (pid 2620) died [dpxxdisp.c   12170]
    my types changed after wp death/restart 0xb0 --> 0xa0
    ERROR => W7 (pid 380) died [dpxxdisp.c   12170]
    my types changed after wp death/restart 0xa0 --> 0x80
    DP_FATAL_ERROR => DpWPCheck: no more work processes
    DISPATCHER EMERGENCY SHUTDOWN ***
    increase tracelevel of WPs
    killing W0-1500 (SIGUSR2)
    ERROR => DpWpKill(1500, SIGUSR2) failed [dpxxtool.c   2468]
    killing W1-3796 (SIGUSR2)
    ERROR => DpWpKill(3796, SIGUSR2) failed [dpxxtool.c   2468]
    killing W2-3548 (SIGUSR2)
    ERROR => DpWpKill(3548, SIGUSR2) failed [dpxxtool.c   2468]
    killing W3-1464 (SIGUSR2)
    ERROR => DpWpKill(1464, SIGUSR2) failed [dpxxtool.c   2468]
    killing W4-3368 (SIGUSR2)
    ERROR => DpWpKill(3368, SIGUSR2) failed [dpxxtool.c   2468]
    killing W5-3400 (SIGUSR2)
    ERROR => DpWpKill(3400, SIGUSR2) failed [dpxxtool.c   2468]
    killing W6-2620 (SIGUSR2)
    ERROR => DpWpKill(2620, SIGUSR2) failed [dpxxtool.c   2468]
    killing W7-380 (SIGUSR2)
    ERROR => DpWpKill(380, SIGUSR2) failed [dpxxtool.c   2468]
    NiWait: sleep (10000 msecs) ...
    NiISelect: timeout 10000 ms
    NiISelect: maximum fd=1593
    NiISelect: read-mask is NULL
    NiISelect: write-mask is NULL
    Thu Oct 02 12:33:48 2008
    NiISelect: TIMEOUT occured (10000 ms)
    dump system status
    Workprocess Table (long)               Thu Oct 02 07:03:48 2008
    ========================
    No Ty. Pid      Status  Cause Start Err Sem CPU    Time  Program  Cl  User         Action                    Table
    0 DIA     1500 Ended         no      1   0             0                                                             
    1 DIA     3796 Ended         no      1   0             0                                                             
    2 UPD     3548 Ended         no      1   0             0                                                             
    3 ENQ     1464 Ended         no      1   0             0                                                             
    4 BTC     3368 Ended         no      1   0             0                                                             
    5 BTC     3400 Ended         no      1   0             0                                                             
    6 SPO     2620 Ended         no      1   0             0                                                             
    7 UP2      380 Ended         no      1   0             0                                                             
    Dispatcher Queue Statistics               Thu Oct 02 07:03:48 2008
    ===========================
    --------++++--
    +
    Typ
    now
    high
    max
    writes
    reads
    --------++++--
    +
    NOWP
    0
    3
    2000
    8
    8
    --------++++--
    +
    DIA
    5
    5
    2000
    5
    0
    --------++++--
    +
    UPD
    0
    0
    2000
    0
    0
    --------++++--
    +
    ENQ
    0
    0
    2000
    0
    0
    --------++++--
    +
    BTC
    0
    0
    2000
    0
    0
    --------++++--
    +
    SPO
    0
    0
    2000
    0
    0
    --------++++--
    +
    UP2
    0
    0
    2000
    0
    0
    --------++++--
    +
    max_rq_id          13
    wake_evt_udp_now     0
    wake events           total     9,  udp     7 ( 77%),  shm     2 ( 22%)
    since last update     total     9,  udp     7 ( 77%),  shm     2 ( 22%)
    Dump of tm_adm structure:               Thu Oct 02 07:03:48 2008
    =========================
    Term    uid  man user    term   lastop  mod wp  ta   a/i (modes)
    Workprocess Comm. Area Blocks               Thu Oct 02 07:03:48 2008
    =============================
    Slots: 300, Used: 1, Max: 0
    --------++--
    +
    id
    owner
    pid
    eyecatcher
    --------++--
    +
    0
    DISPATCHER
    -1
    WPCAAD000
    NiWait: sleep (5000 msecs) ...
    NiISelect: timeout 5000 ms
    NiISelect: maximum fd=1593
    NiISelect: read-mask is NULL
    NiISelect: write-mask is NULL
    Thu Oct 02 12:33:53 2008
    NiISelect: TIMEOUT occured (5000 ms)
    Shutdown server ...
    DpModState: buffer in state MBUF_PREPARED
    NiBufSend starting
    NiIWrite: write 110, 1 packs, MESG_IO, hdl 3, data complete
    MsINiWrite: sent 110 bytes
    MsIModState: change state to SHUTDOWN
    DpModState: change server state from STARTING to SHUTDOWN
    Switch off Shared memory profiling
    ShmProtect( 57, 3 )
    ShmProtect(SHM_PROFILE, SHM_PROT_RW
    ShmProtect( 57, 1 )
    ShmProtect(SHM_PROFILE, SHM_PROT_RD
    DpWakeUpWps: wake up all wp's
    Stop work processes...
    Stop gateway
    killing process (676) (SOFT_KILL)
    Stop icman
    killing process (924) (SOFT_KILL)
    Terminate gui connections
    [DpProcDied] Process lives  (PID:676  HANDLE:1564)
    waiting for termination of gateway
    NiWait: sleep (1000 msecs) ...
    NiISelect: timeout 1000 ms
    NiISelect: maximum fd=1593
    NiISelect: read-mask is NULL
    NiISelect: write-mask is NULL
    Thu Oct 02 12:33:54 2008
    NiISelect: TIMEOUT occured (1000 ms)
    [DpProcDied] Process died  (PID:676  HANDLE:1564)
    [DpProcDied] Process died  (PID:924  HANDLE:1556)
    DpHalt: cancel all lcom connections
    MPI CancelAll 2 -> 0
    MPI DeleteAll 2 -> 0
    NiIMyHostName: hostname = 'home'
    AdGetSelfIdentRecord: >                                                                           <
    AdCvtRecToExt: opcode 60 (AD_SELFIDENT), ser 0, ex 0, errno 0
    AdCvtRecToExt: opcode 4 (AD_STARTSTOP), ser 0, ex 0, errno 0
    DpConvertRequest: net size = 163 bytes
    NiBufSend starting
    NiIWrite: write 562, 1 packs, MESG_IO, hdl 3, data complete
    MsINiWrite: sent 562 bytes
    send msg (len 110+452) to name          -, type 4, key -
    detach from message server
    ***LOG Q0M=> DpMsDetach, ms_detach () [dpxxdisp.c   9945]
    NiBufSend starting
    NiIWrite: write 110, 1 packs, MESG_IO, hdl 3, data complete
    MsINiWrite: sent 110 bytes
    MsIDetach: send logout to msg_server
    MsIDetach: call exit function
    DpMsShutdownHook called
    NiSelClear: removed hdl 3 from selectset
    MBUF state OFF
    AdGetSelfIdentRecord: >                                                                           <
    AdCvtRecToExt: opcode 60 (AD_SELFIDENT), ser 0, ex 0, errno 0
    AdCvtRecToExt: opcode 40 (AD_MSBUF), ser 0, ex 0, errno 0
    AdCvtRecToExt: opcode 40 (AD_MSBUF), ser 0, ex 0, errno 0
    blks_in_queue/wp_ca_blk_no/wp_max_no = 1/300/8
    LOCK WP ca_blk 1
    make DISP owner of wp_ca_blk 1
    DpRqPutIntoQueue: put request into queue (reqtype 1, prio LOW, rq_id 19)
    MBUF component DOWN
    NiBufClose: clear extensions for hdl 3
    NiBufSetStat: bufstat of hdl 3 changed from OK to OFF
    NiICloseHandle: shutdown and close hdl 3 / socket 1572
    MsIDetach: detach MS-system
    EsCleanup ....
    Thu Oct 02 12:33:55 2008
    ***LOG Q05=> DpHalt, DPStop ( 736) [dpxxdisp.c   8478]
    Good Bye .....
    Trace from WP table DIA 1
    trc file: "dev_w0", trc level: 1, release: "640"
    ACTIVE TRACE LEVEL           1
    ACTIVE TRACE COMPONENTS      all, M
    B 
    B Thu Oct 02 12:32:59 2008
    B  create_con (con_name=R/3)
    B  Loading DB library 'C:\usr\sap\SUD\SYS\exe\run\dboraslib.dll' ...
    B  Library 'C:\usr\sap\SUD\SYS\exe\run\dboraslib.dll' loaded
    B  Version of 'C:\usr\sap\SUD\SYS\exe\run\dboraslib.dll' is "640.00", patchlevel (0.19)
    B  New connection 0 created
    M systemid   560 (PC with Windows NT)
    M relno      6400
    M patchlevel 0
    M patchno    21
    M intno      20020600
    M make:      multithreaded, ASCII
    M pid        1500
    M
    M  ***LOG Q0Q=> tskh_init, WPStart (Workproc 0 1500) [dpxxdisp.c   1160]
    I  MtxInit: -2 0 0
    M  DpSysAdmExtCreate: ABAP is active
    M  DpSysAdmExtCreate: JAVA is not active
    M  DpShMCreate: sizeof(wp_adm)          6624     (828)
    M  DpShMCreate: sizeof(tm_adm)          2219848     (11044)
    M  DpShMCreate: sizeof(wp_ca_adm)          18000     (60)
    M  DpShMCreate: sizeof(appc_ca_adm)     6000     (60)
    M  DpShMCreate: sizeof(comm_adm)          192000     (384)
    M  DpShMCreate: sizeof(vmc_adm)          0     (320)
    M  DpShMCreate: sizeof(wall_adm)          (22440/34344/56/100)
    M  DpShMCreate: SHM_DP_ADM_KEY          (addr: 05A70040, size: 2505416)
    M  DpShMCreate: allocated sys_adm at 05A70040
    M  DpShMCreate: allocated wp_adm at 05A717A8
    M  DpShMCreate: allocated tm_adm_list at 05A73188
    M  DpShMCreate: allocated tm_adm at 05A731B0
    M  DpShMCreate: allocated wp_ca_adm at 05C910F8
    M  DpShMCreate: allocated appc_ca_adm at 05C95748
    M  DpShMCreate: allocated comm_adm_list at 05C96EB8
    M  DpShMCreate: allocated comm_adm at 05C96ED0
    M  DpShMCreate: allocated vmc_adm_list at 05CC5CD0
    M  DpShMCreate: system runs without vmc_adm
    M  DpShMCreate: allocated ca_info at 05CC5CF8
    M  DpShMCreate: allocated wall_adm at 05CC5D00
    X  EmInit: MmSetImplementation( 2 ).
    X  <ES> client 0 initializing ....
    X  Using implementation std
    M  <EsNT> Memory Reset enabled as NT default
    X  ES initialized.
    M  calling db_connect ...
    C  Got ORACLE_HOME=C:\oracle\ora92 from environment
    C  Client NLS settings: AMERICAN_AMERICA.WE8DEC
    C  Logon as OPS$-user to get SAPSUD's password
    C  Connecting as /@SUD on connection 0 ...
    C  Attaching to DB Server SUD (con_hdl=0,svchp=040D325C,svrhp=040D3E34)
    C  Starting user session (con_hdl=0,svchp=040D325C,srvhp=040D3E34,usrhp=040DC614)
    C  *** ERROR => OCI-call 'OCISessionBegin' failed: rc = 1033
    [dboci.c      3721]
    C  Detaching from DB Server (con_hdl=0,svchp=040D325C,srvhp=040D3E34)
    C  *** ERROR => CONNECT failed with sql error '1033'
    [dbsloci.c    9753]
    C  Try to connect with default password
    C  Connecting as SAPSUD/<pwd>@SUD on connection 0 ...
    C  Attaching to DB Server SUD (con_hdl=0,svchp=040D325C,svrhp=040D3E34)
    C  Starting user session (con_hdl=0,svchp=040D325C,srvhp=040D3E34,usrhp=040DC614)
    C  *** ERROR => OCI-call 'OCISessionBegin' failed: rc = 1033
    [dboci.c      3721]
    C  Detaching from DB Server (con_hdl=0,svchp=040D325C,srvhp=040D3E34)
    C  *** ERROR => CONNECT failed with sql error '1033'
    [dbsloci.c    9753]
    B  ***LOG BV3=> severe db error 1033      ; work process is stopped [dbsh#2 @ 1195] [dbsh    1195 ]
    B  ***LOG BY2=> sql error 1033   performing CON [dblink#1 @ 419] [dblink  0419 ]
    B  ***LOG BY0=> ORA-01033: ORACLE initialization or shutdown in progress [dblink#1 @ 419] [dblink  0419 ]
    M  ***LOG R19=> tskh_init, db_connect ( DB-Connect 000256) [thxxhead.c   1271]
    M  in_ThErrHandle: 1
    M  *** ERROR => tskh_init: db_connect (step 1, th_errno 13, action 3, level 1) [thxxhead.c   9379]
    M 
    M  Info for wp 0
    M 
    M    stat = 4
    M    reqtype = 1
    M    act_reqtype = -1
    M    rq_info = 0
    M    tid = -1
    M    mode = 255
    M    len = -1
    M    rq_id = 65535
    M    rq_source = 255
    M    last_tid = 0
    M    last_mode = 0
    M    int_checked_resource(RFC) = 0
    M    ext_checked_resource(RFC) = 0
    M    int_checked_resource(HTTP) = 0
    M    ext_checked_resource(HTTP) = 0
    M    report = >                                        <
    M    action = 0
    M    tab_name = >                              <
    M 
    M  *****************************************************************************
    M  *
    M  *  LOCATION    SAP-Server home_SUD_00 on host home (wp 0)
    M  *  ERROR       tskh_init: db_connect
    M  *
    M  *  TIME        Thu Oct 02 12:32:59 2008
    M  *  RELEASE     640
    M  *  COMPONENT   Taskhandler
    M  *  VERSION     1
    M  *  RC          13
    M  *  MODULE      thxxhead.c
    M  *  LINE        9555
    M  *  COUNTER     1
    M  *
    M  *****************************************************************************
    M 
    M  PfStatDisconnect: disconnect statistics
    M  Entering TH_CALLHOOKS
    M  ThCallHooks: call hook >ThrSaveSPAFields< for event BEFORE_DUMP
    M  *** ERROR => ThrSaveSPAFields: no valid thr_wpadm [thxxrun1.c   730]
    M  *** ERROR => ThCallHooks: event handler ThrSaveSPAFields for event BEFORE_DUMP failed [thxxtool3.c  246]
    M  Entering ThSetStatError
    M  Entering ThReadDetachMode
    M  call ThrShutDown (1)...
    M  ***LOG Q02=> wp_halt, WPStop (Workproc 0 1500) [dpnttool.c   357]
    Thanks in advance please help me out
    Edited by: sudhakar aleti on Oct 2, 2008 12:54 PM
    Edited by: sudhakar aleti on Oct 2, 2008 12:56 PM

    Hi All please find the result r3trans -d
    4 ETW000 r3trans version 6.09 (release 640 - 28.04.04 - 16:14:00).
    4 ETW000 ===============================================
    4 ETW000
    4 ETW000 date&time   : 03.10.2008 - 11:02:35
    4 ETW000 control file: <no ctrlfile>
    4 ETW000 R3trans was called as follows: r3trans -d
    4 ETW000  trace at level 2 opened for a given file pointer
    4 ETW000  [dev trc     ,00000]  Fri Oct 03 11:02:36 2008                            5494  0.005494
    4 ETW000  [dev trc     ,00000]  db_con_init called                                    40  0.005534
    4 ETW000  [dev trc     ,00000]  create_con (con_name=R/3)                             26  0.005560
    4 ETW000  [dev trc     ,00000]  Loading DB library 'dboraslib.dll' ...                33  0.005593
    4 ETW000  [dev trc     ,00000]  load shared library (dboraslib.dll), hdl 0        139566  0.145159
    4 ETW000  [dev trc     ,00000]      using "C:\usr\sap\SUD\SYS\exe\run\dboraslib.dll"
    4 ETW000                                                                              22  0.145181
    4 ETW000  [dev trc     ,00000]  Library 'dboraslib.dll' loaded                         7  0.145188
    4 ETW000  [dev trc     ,00000]  function DbSlExpFuns loaded from library dboraslib.dll
    4 ETW000                                                                              13  0.145201
    4 ETW000  [dev trc     ,00000]  Version of 'dboraslib.dll' is "640.00", patchlevel (0.19)
    4 ETW000                                                                            2501  0.147702
    4 ETW000  [dev trc     ,00000]  function dsql_db_init loaded from library dboraslib.dll
    4 ETW000                                                                              12  0.147714
    4 ETW000  [dev trc     ,00000]  function dbdd_exp_funs loaded from library dboraslib.dll
    4 ETW000                                                                              18  0.147732
    4 ETW000  [dev trc     ,00000]  New connection 0 created                              13  0.147745
    4 ETW000  [dev trc     ,00000]  0: name = R/3, con_id = -000000001 state = DISCONNECTED, perm = YES, reco = NO , con_max = 255, con_opt = 255, occ = NO
    4 ETW000                                                                              15  0.147760
    4 ETW000  [dev trc     ,00000]  db_con_connect (con_name=R/3)                      12391  0.160151
    4 ETW000  [dev trc     ,00000]  find_con_by_name found the following connection for reuse:
    4 ETW000                                                                              12  0.160163
    4 ETW000  [dev trc     ,00000]  0: name = R/3, con_id = 000000000 state = DISCONNECTED, perm = YES, reco = NO , con_max = 255, con_opt = 255, occ = NO
    4 ETW000                                                                              14  0.160177
    4 ETW000  [dev trc     ,00000]  Found ORACLE_HOME=C:\oracle\ora92 in Registry        796  0.160973
    4 ETW000  [dev trc     ,00000]  -->oci_initialize                                    400  0.161373
    4 ETW000  [dev trc     ,00000]  Client NLS settings: AMERICAN_AMERICA.WE8MSWIN1252
    4 ETW000                                                                           34020  0.195393
    4 ETW000  [dbsloci.    ,00000]  *** ERROR => Cannot connect: TNS-name missing         11  0.195404
    2EETW169 no connect possible: "DBMS = ORACLE                           --- TWO_TASK = ''"
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    Sudhakar A

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