Simple java question, help please
please help
-i am just starting out in java and im havin an early problem. Im trying to run a small java script from a commant prompt but im getting the following error after i enter this command at my prompt
c:\javatest>javac HelloARP.java
javac is not as an internal or external command, operable program or batch file.
when i enter
c:\java -version
i get the following message: registry key software\javasoft\java runtime enviornment\current version has value of 1.1 but 1.4 is requiured
error: could not find java.dll
error: could not find java 2 runtime enviornment
-im sure this is a simple error on my part. all im trying to do is run my first lil program that i saved in notepad, its only 5 lines long. here is the lil test program im trying to execute
class HelloARP {
public static void main (String[] arguments) {
System.out.println("What's good ARP?");
- all responses and help are welcomed. Thank you ahead of time for anyone that can help me get started.
Hi
First of all uninstall your current JDK installation, if you can get to the registry delete the registry entries for the old version of java which was there on your machine.
Now do a fresh install of your j2sdk1.4.1, make sure that you will install the JRE with the J2SDK1.4.1.
Once you are done, set your classpath in autoexec.bat if you are using Windows 95/98
or set your environment variables if you are using Win NT/2000/XP.
If using solaris or other unix flavors see the included installation instructions provided.
Let me if you face the same problem.
Thanks
Swaraj
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Hi all,
I need help with java code please.
My source is a csv file and target is multiple idocs.
Source file structure is as follows:
Header (field 1, field 2, ........ field 10)
Item 1a (field 1, field 2, field 3, ......... field 180)
Item 1b (field 1, field 2, field 3, ......... field 180)
Item 2a (field 1, field 2, field 3, ......... field 180)
Item 2b (field 1, field 2, field 3, ......... field 180)
Item na (field 1, field 2, field 3, ......... field 180)
Item nb (field 1, field 2, field 3, ......... field 180)
First line is header. Second is VAT line. Third is Price line for that VAT. Now VAT and Price lines repeat. There need not be VAT line for non-European countries. So a VAT line may or may not preceed a Price line.
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B. The programmer must comment out references to parameter types before code is compiled.
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D. The compiler removes any references to parameter types and inserts references to the closest super class that will make expressions type-safe.
E. Any type-unsafe casts to parameter types will be ignored by the interpreter at run-time.
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prevent data corruption arising from the concurrent method call. 􀀀
B. Marshalling is the process of sending a copy of the remote object to the client JVM in order to
invoke its method locally. 􀀀
C. Marshalling is the process of sending the state of the client JVM on a byte stream to the remote
object in order that the JVM can be started as a separate thread on the remote host. 􀀀
D. Marshalling is the process of suspending the current thread in the client JVM until a result is obtained
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B. javax.swing.Window 􀀀
C. javax.swing.JComponent 􀀀
D. java.AWT.Window 􀀀
E. java.AWT.Frame
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A. java.lang.Object 􀀀
B. java.AWT.Component 􀀀
C. java.AWT.Container 􀀀
D. java.AWT.Window 􀀀
E. javax.swing.Object
5.) Which of the following statements about the java.AWT and javax.swing packages is true?
A. All components in both packages are thread-safe􀀀
B. Most components in both packages are thread-safe􀀀
C. Most components in java.AWT are thread-safe, but most in javax.swing are not􀀀
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E. No components in either package are thread-safe􀀀
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B. Each AWT event causes a new thread to be created to handle that event. 􀀀
C. All AWT events are handled in the main thread. 􀀀
D. The programmer must explicitly create one thread to handle all AWT events. 􀀀
E. For each AWT event, the programmer must explicitly create a thread to handle that event. 􀀀
7.) Which of the following best describes how component-generated events can be handled in Java?
A. All component-generated events are handled automatically by the Java interpreter. 􀀀
B. The programmer creates instances of appropriate listener classes, and registers these instances with
the component; when the component generates an event, the relevant methods of all registered
listeners are executed. 􀀀
C. The programmer creates instances of appropriate listener classes, and registers these instances with
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the interpreter and the relevant method of that instance is executed. 􀀀
D. The programmer must declare a subclass of the component and add one method for each type of
event the component can generate; when the component generates an event, the appropriate method
is executed. 􀀀
E. Each component class has event-handling methods; the programmer declares a subclass of the
component and overrides those methods; when the component generates an event, the overridden
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Any help would b great thanks guys. Andy1.) Java implements generic types by erasure: what
does this mean?
A. The compiler removes references to parameter types
and inserts casts wherever return types refer to
parameter types.
B. The programmer must comment out references to
parameter types before code is compiled.
C. The compiler removes any casts that may be
type-unsafe. 􀀀
D. The compiler removes any references to parameter
types and inserts references to the closest super
class that will make expressions type-safe.
E. Any type-unsafe casts to parameter types will be
ignored by the interpreter at run-time.None of the above (assuming this is not a Google translation of some non-English text).
2.) In Remote method Invocation, what is meant by
�marshalling�?
A. Marshalling is the process of synchronizing all
parameters to the method being invoked, in order to
prevent data corruption arising from the concurrent
method call. 􀀀
B. Marshalling is the process of sending a copy of
the remote object to the client JVM in order to
invoke its method locally. 􀀀
C. Marshalling is the process of sending the state of
the client JVM on a byte stream to the remote
object in order that the JVM can be started as a
separate thread on the remote host. 􀀀
D. Marshalling is the process of suspending the
current thread in the client JVM until a result is
obtained
from the remote method invocation. 􀀀
E. Marshalling is the process of sending the state of
all parameter instances on a byte stream to the
remote object.None of the above. Although there is one answer that at least describes how Marshalling is used.
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javax.swing.JFrame?
A. java.lang.Object 􀀀
B. javax.swing.Window 􀀀
C. javax.swing.JComponent 􀀀
D. java.AWT.Window 􀀀
E. java.AWT.FrameAt least this one does have the correct answer. It's in the API docs, so I guess it'd be hard to be wrong.
4.) What is the immediate superclass ofDitto.
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java.AWT and javax.swing packages is true?
A. All components in both packages are
thread-safe􀀀
B. Most components in both packages are
thread-safe􀀀
C. Most components in java.AWT are thread-safe, but
most in javax.swing are not􀀀
D. Most components in javax.swing are thread-safe,
but most in java.AWT are not􀀀
E. No components in either package are
thread-safe􀀀Again, none of the above.
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events are handled in Java?
A. There is a special thread that handles all AWT
events. 􀀀
B. Each AWT event causes a new thread to be created
to handle that event. 􀀀
C. All AWT events are handled in the main thread.
􀀀
D. The programmer must explicitly create one thread
to handle all AWT events. 􀀀
E. For each AWT event, the programmer must explicitly
create a thread to handle that event. 􀀀One answer is almost, sort of, correct. Wow.
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EIP=0x0804d0a9, EFLAGS=0x00010212
Top of Stack: (sp=0x01b73a58)
0x01b73a58: ffff1372 ffff4022 ffffffff 07f95df7
0x01b73a68: 011c001b 01b73b40 ffff0023 f72053d1
0x01b73a78: 884440e0 4b08f50c 48a8e6b0 00cce6b0
0x01b73a88: 804f4049 00000080 00000002 00020000
0x01b73a98: 00000000 b714e794 b714e788 0000f50c
0x01b73aa8: 5be00000 4005c805 00000000 80000000
0x01b73ab8: 00004002 00000000 3ffd8000 01b73b0c
0x01b73ac8: 01b73b24 00000000 01b73b1c 00000000
Instructions: (pc=0x0804d0a9)
0x0804d099: 00 00 83 ec 6c dd 34 24 9b dd 24 24 dd 5c 24 6c
0x0804d0a9: dd 5c 24 74 dd 5c 24 7c dd 9c 24 84 00 00 00 dd
Stack: [0x01a80000,0x01b80000), sp=0x01b73a58, free space=974k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
v ~RuntimeStub::resolve_virtual_call
J java.util.Properties$LineReader.readLine()I
j java.util.Properties.load0(Ljava/util/Properties$LineReader;)V+7
j java.util.Properties.load(Ljava/io/InputStream;)V+10
j java.util.logging.LogManager.readConfiguration(Ljava/io/InputStream;)V+13
j java.util.logging.LogManager.readConfiguration()V+181
j java.util.logging.LogManager$2.run()Ljava/lang/Object;+4
v ~StubRoutines::call_stub
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x0a10f400 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=3496]
0x0a10a400 JavaThread "CompilerThread0" daemon [_thread_blocked, id=1080]
0x0a109400 JavaThread "Attach Listener" daemon [_thread_blocked, id=2996]
0x0a108400 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=588]
0x0a0fa800 JavaThread "Finalizer" daemon [_thread_blocked, id=3044]
0x0a0f6400 JavaThread "Reference Handler" daemon [_thread_blocked, id=1452]
=>0x03ff9c00 JavaThread "main" [_thread_in_Java, id=3288]
Other Threads:
0x0a0f1800 VMThread [id=2560]
0x0a110800 WatcherThread [id=384]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
def new generation total 960K, used 196K [0x302f0000, 0x303f0000, 0x30a50000)
eden
[error occurred during error reporting, step 190, id 0xc0000092]
Dynamic libraries:
0x00400000 - 0x0049b000 C:\Program Files\Internet Explorer\iexplore.exe
0x7c900000 - 0x7c9b0000 C:\WINDOWS\system32\ntdll.dll
0x7c800000 - 0x7c8f5000 C:\WINDOWS\system32\kernel32.dll
0x77dd0000 - 0x77e6b000 C:\WINDOWS\system32\ADVAPI32.dll
0x77e70000 - 0x77f01000 C:\WINDOWS\system32\RPCRT4.dll
0x77f10000 - 0x77f57000 C:\WINDOWS\system32\GDI32.dll
0x7e410000 - 0x7e4a0000 C:\WINDOWS\system32\USER32.dll
0x77c10000 - 0x77c68000 C:\WINDOWS\system32\msvcrt.dll
0x77f60000 - 0x77fd6000 C:\WINDOWS\system32\SHLWAPI.dll
0x7c9c0000 - 0x7d1d5000 C:\WINDOWS\system32\SHELL32.dll
0x774e0000 - 0x7761d000 C:\WINDOWS\system32\ole32.dll
0x42cf0000 - 0x42e14000 C:\WINDOWS\system32\urlmon.dll
0x77120000 - 0x771ab000 C:\WINDOWS\system32\OLEAUT32.dll
0x42990000 - 0x429d5000 C:\WINDOWS\system32\iertutil.dll
0x77c00000 - 0x77c08000 C:\WINDOWS\system32\VERSION.dll
0x76390000 - 0x763ad000 C:\WINDOWS\system32\IMM32.DLL
0x629c0000 - 0x629c9000 C:\WINDOWS\system32\LPK.DLL
0x74d90000 - 0x74dfb000 C:\WINDOWS\system32\USP10.dll
0x10000000 - 0x10007000 C:\WINDOWS\system32\ASAPHook.dll
0x773d0000 - 0x774d3000 C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.2982_x-ww_ac3f9c03\comctl32.dll
0x5d090000 - 0x5d12a000 C:\WINDOWS\system32\comctl32.dll
0x42ef0000 - 0x434bb000 C:\WINDOWS\system32\IEFRAME.dll
0x76bf0000 - 0x76bfb000 C:\WINDOWS\system32\PSAPI.DLL
0x5ad70000 - 0x5ada8000 C:\WINDOWS\system32\UxTheme.dll
0x74720000 - 0x7476b000 C:\WINDOWS\system32\MSCTF.dll
0x20000000 - 0x202c5000 C:\WINDOWS\system32\xpsp2res.dll
0x755c0000 - 0x755ee000 C:\WINDOWS\system32\msctfime.ime
0x5dff0000 - 0x5e01f000 C:\WINDOWS\system32\IEUI.dll
0x76380000 - 0x76385000 C:\WINDOWS\system32\MSIMG32.dll
0x4ec50000 - 0x4edf3000 C:\WINDOWS\WinSxS\x86_Microsoft.Windows.GdiPlus_6595b64144ccf1df_1.0.2600.2180_x-ww_522f9f82\gdiplus.dll
0x47060000 - 0x47081000 C:\WINDOWS\system32\xmllite.dll
0x77b40000 - 0x77b62000 C:\WINDOWS\system32\apphelp.dll
0x76fd0000 - 0x7704f000 C:\WINDOWS\system32\CLBCATQ.DLL
0x77050000 - 0x77115000 C:\WINDOWS\system32\COMRes.dll
0x746f0000 - 0x7471a000 C:\WINDOWS\system32\msimtf.dll
0x77fe0000 - 0x77ff1000 C:\WINDOWS\system32\Secur32.dll
0x605d0000 - 0x605d9000 C:\WINDOWS\system32\mslbui.dll
0x77a20000 - 0x77a74000 C:\WINDOWS\System32\cscui.dll
0x76600000 - 0x7661d000 C:\WINDOWS\System32\CSCDLL.dll
0x77920000 - 0x77a13000 C:\WINDOWS\system32\SETUPAPI.dll
0x6bd10000 - 0x6bd20000 C:\PROGRA~1\MICROS~2\Office12\msohevi.dll
0x78130000 - 0x781cb000 C:\WINDOWS\WinSxS\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.163_x-ww_681e29fb\MSVCR80.dll
0x5c2c0000 - 0x5c300000 C:\WINDOWS\ime\sptip.dll
0x74c80000 - 0x74cac000 C:\WINDOWS\system32\OLEACC.dll
0x76080000 - 0x760e5000 C:\WINDOWS\system32\MSVCP60.dll
0x01480000 - 0x01491000 C:\WINDOWS\IME\SPGRMR.DLL
0x7d1e0000 - 0x7d49e000 C:\WINDOWS\system32\msi.dll
0x014a0000 - 0x014fb000 C:\Program Files\Common Files\Microsoft Shared\INK\SKCHUI.DLL
0x61930000 - 0x6197a000 C:\Program Files\Internet Explorer\ieproxy.dll
0x75e90000 - 0x75f40000 C:\WINDOWS\system32\SXS.DLL
0x42c10000 - 0x42cdf000 C:\WINDOWS\system32\WININET.dll
0x01e00000 - 0x01e09000 C:\WINDOWS\system32\Normaliz.dll
0x75cf0000 - 0x75d81000 C:\WINDOWS\system32\MLANG.dll
0x71ab0000 - 0x71ac7000 C:\WINDOWS\system32\ws2_32.dll
0x71aa0000 - 0x71aa8000 C:\WINDOWS\system32\WS2HELP.dll
0x02fb0000 - 0x0332f000 c:\program files\google\googletoolbar2.dll
0x77a80000 - 0x77b14000 C:\WINDOWS\system32\CRYPT32.dll
0x77b20000 - 0x77b32000 C:\WINDOWS\system32\MSASN1.dll
0x76c90000 - 0x76cb8000 C:\WINDOWS\system32\imagehlp.dll
0x76b40000 - 0x76b6d000 C:\WINDOWS\system32\WINMM.dll
0x76c30000 - 0x76c5e000 C:\WINDOWS\system32\WINTRUST.dll
0x71ad0000 - 0x71ad9000 C:\WINDOWS\system32\WSOCK32.dll
0x74980000 - 0x74a93000 C:\WINDOWS\system32\msxml3.dll
0x59a60000 - 0x59b01000 C:\WINDOWS\system32\DBGHELP.DLL
0x5b860000 - 0x5b8b4000 C:\WINDOWS\system32\netapi32.dll
0x708f0000 - 0x70903000 C:\WINDOWS\system32\asycfilt.dll
0x76990000 - 0x769b5000 C:\WINDOWS\system32\ntshrui.dll
0x76b20000 - 0x76b31000 C:\WINDOWS\system32\ATL.DLL
0x769c0000 - 0x76a73000 C:\WINDOWS\system32\USERENV.dll
0x76ee0000 - 0x76f1c000 C:\WINDOWS\system32\RASAPI32.dll
0x76e90000 - 0x76ea2000 C:\WINDOWS\system32\rasman.dll
0x76eb0000 - 0x76edf000 C:\WINDOWS\system32\TAPI32.dll
0x76e80000 - 0x76e8e000 C:\WINDOWS\system32\rtutils.dll
0x71b20000 - 0x71b32000 C:\WINDOWS\system32\MPR.dll
0x75f60000 - 0x75f67000 C:\WINDOWS\System32\drprov.dll
0x71c10000 - 0x71c1e000 C:\WINDOWS\System32\ntlanman.dll
0x71cd0000 - 0x71ce7000 C:\WINDOWS\System32\NETUI0.dll
0x71c90000 - 0x71cd0000 C:\WINDOWS\System32\NETUI1.dll
0x71c80000 - 0x71c87000 C:\WINDOWS\System32\NETRAP.dll
0x71bf0000 - 0x71c03000 C:\WINDOWS\System32\SAMLIB.dll
0x77c70000 - 0x77c93000 C:\WINDOWS\system32\msv1_0.dll
0x76d60000 - 0x76d79000 C:\WINDOWS\system32\iphlpapi.dll
0x75f70000 - 0x75f79000 C:\WINDOWS\System32\davclnt.dll
0x10930000 - 0x10979000 C:\WINDOWS\system32\PortableDeviceApi.dll
0x73ba0000 - 0x73bb3000 C:\WINDOWS\system32\sti.dll
0x74ae0000 - 0x74ae7000 C:\WINDOWS\system32\CFGMGR32.dll
0x722b0000 - 0x722b5000 C:\WINDOWS\system32\sensapi.dll
0x03f10000 - 0x03f20000 C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
0x03f30000 - 0x03f4f000 C:\WINDOWS\system32\dla\tfswshx.dll
0x03f50000 - 0x03f5f000 C:\WINDOWS\system32\tfswapi.dll
0x03f60000 - 0x03f9b000 C:\WINDOWS\system32\dla\tfswcres.dll
0x6d7c0000 - 0x6d839000 C:\Program Files\Java\jre1.6.0_02\bin\ssv.dll
0x7c340000 - 0x7c396000 C:\Program Files\Java\jre1.6.0_02\bin\MSVCR71.dll
0x29500000 - 0x29551000 C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
0x0ffd0000 - 0x0fff8000 C:\WINDOWS\system32\rsaenh.dll
0x27500000 - 0x275c9000 C:\Program Files\Common Files\Microsoft Shared\Windows Live\msidcrl40.dll
0x75e60000 - 0x75e73000 C:\WINDOWS\system32\cryptnet.dll
0x76f60000 - 0x76f8c000 C:\WINDOWS\system32\WLDAP32.dll
0x4d4f0000 - 0x4d548000 C:\WINDOWS\system32\WINHTTP.dll
0x04780000 - 0x04790000 C:\Program Files\HPQ\IAM\Bin\ItIeAddIN.dll
0x04790000 - 0x047f9000 C:\Program Files\HPQ\IAM\Bin\ItMsg.dll
0x7c000000 - 0x7c054000 C:\WINDOWS\system32\MSVCR70.dll
0x71a50000 - 0x71a8f000 C:\WINDOWS\system32\mswsock.dll
0x662b0000 - 0x66308000 C:\WINDOWS\system32\hnetcfg.dll
0x71a90000 - 0x71a98000 C:\WINDOWS\System32\wshtcpip.dll
0x71d40000 - 0x71d5c000 C:\WINDOWS\system32\actxprxy.dll
0x76fc0000 - 0x76fc6000 C:\WINDOWS\system32\rasadhlp.dll
0x76f20000 - 0x76f47000 C:\WINDOWS\system32\DNSAPI.dll
0x76fb0000 - 0x76fb8000 C:\WINDOWS\System32\winrnr.dll
0x435d0000 - 0x43941000 C:\WINDOWS\system32\mshtml.dll
0x746c0000 - 0x746e9000 C:\WINDOWS\system32\msls31.dll
0x43560000 - 0x435c0000 C:\WINDOWS\system32\ieapfltr.dll
0x77690000 - 0x776b1000 C:\WINDOWS\system32\NTMARTA.DLL
0x050a0000 - 0x050f7000 C:\Program Files\HPQ\IAM\Bin\ItSSO.dll
0x040e0000 - 0x04103000 C:\Program Files\HPQ\IAM\Bin\ItVCL.dll
0x04b00000 - 0x04b08000 C:\Program Files\HPQ\IAM\Bin\ItRpc.dll
0x04b60000 - 0x04b69000 C:\Program Files\HPQ\IAM\Bin\ItClient.dll
0x63380000 - 0x633f8000 c:\windows\system32\jscript.dll
0x58760000 - 0x58792000 C:\WINDOWS\system32\iepeers.dll
0x73000000 - 0x73026000 C:\WINDOWS\system32\WINSPOOL.DRV
0x42b90000 - 0x42c07000 C:\WINDOWS\system32\mshtmled.dll
0x1b000000 - 0x1b00c000 C:\WINDOWS\system32\ImgUtil.dll
0x1b060000 - 0x1b06e000 C:\WINDOWS\system32\pngfilt.dll
0x05800000 - 0x0581c000 C:\Program Files\HPQ\IAM\Bin\Aswallet.dll
0x42aa0000 - 0x42b12000 C:\WINDOWS\system32\msfeeds.dll
0x061d0000 - 0x0622b000 C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\PDFShell.dll
0x72d20000 - 0x72d29000 C:\WINDOWS\system32\wdmaud.drv
0x72d10000 - 0x72d18000 C:\WINDOWS\system32\msacm32.drv
VM Arguments:
jvm_args: -Xbootclasspath/a:C:\PROGRA~1\Java\JRE16~2.0_0\lib\deploy.jar;C:\PROGRA~1\Java\JRE16~2.0_0\lib\plugin.jar -Xmx96m -Djavaplugin.maxHeapSize=96m -Xverify:remote -Djavaplugin.version=1.6.0_02 -Djavaplugin.nodotversion=160_02 -Dbrowser=sun.plugin -DtrustProxy=true -Dapplication.home=C:\PROGRA~1\Java\JRE16~2.0_0 -Djavaplugin.vm.options=-Djava.class.path=C:\PROGRA~1\Java\JRE16~2.0_0\classes -Xbootclasspath/a:C:\PROGRA~1\Java\JRE16~2.0_0\lib\deploy.jar;C:\PROGRA~1\Java\JRE16~2.0_0\lib\plugin.jar -Xmx96m -Djavaplugin.maxHeapSize=96m -Xverify:remote -Djavaplugin.version=1.6.0_02 -Djavaplugin.nodotversion=160_02 -Dbrowser=sun.plugin -DtrustProxy=true -Dapplication.home=C:\PROGRA~1\Java\JRE16~2.0_0
java_command: <unknown>
Launcher Type: generic
Environment Variables:
CLASSPATH=.;C:\Program Files\Java\jre1.5.0_06\lib\ext\QTJava.zip
PATH=C:\PROGRA~1\Java\JRE16~2.0_0\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\ATI Technologies\ATI Control Panel;C:\Program Files\HPQ\IAM\bin;C:\Program Files\QuickTime\QTSystem\;.
USERNAME=hrowinski
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 6 Model 13 Stepping 8, GenuineIntel
--------------- S Y S T E M ---------------
OS: Windows XP Build 2600 Service Pack 2
CPU:total 1 (1 cores per cpu, 1 threads per core) family 6 model 13 stepping 8, cmov, cx8, fxsr, mmx, sse, sse2
Memory: 4k page, physical 1572208k(878116k free), swap 2204864k(1714828k free)
vm_info: Java HotSpot(TM) Client VM (1.6.0_02-b06) for windows-x86, built on Jul 12 2007 01:16:14 by "java_re" with unknown MS VC++:1310Thanks for the help so far, but I still have a problem with my Merge Sort. The sort uses up all the program's memory and throws an "OutOfMemoryError".
Here is the Merge Sort:
//This is the merge sort and its methods!!!
public void mergeSort()
if(line.length<=1)
return;
int[] half1=new int[line.length/2];
int[] half2=new int[line.length-half1.length];
System.arraycopy(line, 0, half1, 0, half1.length);
System.arraycopy(line, half1.length, half2, 0, half2.length);
Sort s1=new Sort(half1);
Sort s2=new Sort(half2);
s1.mergeSort();
s2.mergeSort();
merge(half1, half2);
public void merge(int[] a, int[] b)
int first=0;
int second=0;
int c=0;
while((first<a.length)&&(second<b.length))
if(a[first]<b[second])
line[c]=a[first];
first++;
else
line[c]= b[second];
second++;
c++;
System.arraycopy(a, first, line, c, a.length-first);
System.arraycopy(b, second, line, c, b.length-second);
} -
Simple java applet help needed
hi, im having trouble with an applet im developing for a project.
i have developed an applet with asks the user for simple information( name,address and phone) through textfields, i wish for the applet to store this information in an array when an add button below the textfeilds is pressed.
client array[];
array=new client[];//needs to be an infinate array!
I have created the client class with all the set and get methods plus constructors needed but i dont know how to take the text typed into the textfields by the user and store them in the array.
i also need to save this info to a file and be able to load it back into the applet.
Could some please help! Thank you for your time.Better maybe redefine the idea using an data structure :
public class client{
private char name[];
private char address[];
private int phone;
public class vector_clients{
private client vect[];
// methods for vect[]
What is your opinion about ??? -
Some start up questions (help please)
Hello everyone. My name is Tom and its very nice to meet everyone.
I have been, historically, using harware sequencers for my music (Korg M series, Korg O series, and most recently a Fantom X7).
I have decided that I want to go the DAW route for my music for various reasons. At any rate here is what I'll be ordering next week....
MacBookPro 2Ghz 15" (1 gig of ram to start 2x 512)
Logic Pro
M-Audio Keystation Pro 88 (my main instrument is piano)
M-Audio Oxygen 8 v2 (I'll use this for synth sounds, strings, brass, triggers, etc)
Presonus Firebox (portability)
SIIG FireWire 800 1-Port ExpressCard/34 (the MBP only has 1 Firewire port)
My Book Pro Edition 500 GB Ext HD (will connect to the FW 800 expresscard)
Pair of Behringer Truths B2031a (I listened to these in a local store and I was really impressed.)
I have various other instruments that I will use (guitars, bass, steel, etc) during recording but those arent the focus of these questions.
To the point...
1. Should I connect both Midi In and Out for the Keystation Pro?? (The midi thing is somewhat new since I'm coming from the hw sequencers and I never midi'd my boards together) I understand that I'll go from the midi out to the s/pdif cable in but will it be necessary for information to be returned to the ks pro?
2. On the Presonus Firebox, is the s/pdif cable included with the interface??
3. Any general impressions with my initial setup?? Please keep in mind that I will do all the music by myself... one track and one instrument at a time. (Which is why I thought the firebox would be sufficient for my needs) Any concerns with my ideas for setting it up?? KS Pro midi'd to presonus. presonus FW 400 to Mac. Oxygen 8 USB'd to Mac. My Book hard drive FW 800 through expresscard expansion. Will I have any compatibility issues or conflicts?
Thanks so very much for any help and guidance.
TomHi Tom
Welcome to the forum!
1) your keystation and Oxygen 8 will send and receive midi to Logic thru your usb connection. You can connect any other midi devices thru the keystation or using the Oxygen or Firebox midi ins & outs. Logic will recognize all of your midi connections. you just need to assign which midi keyboard or other outboard device is connected to which midi port in Logic's environment
2) yes the spdif cable is included
3) Your setup sounds nice. I personally don't like the firebox, I had one for a short time and got rid of it, but I know a few guys here use one and like them.
Have fun
Don -
Hi!
Can someone tell me the answers of these questions, you can just bold the correct answer.Any help will be appreciated.
Thanks in advance.
Regards,
sandy.
1) Which of the following software components is not included in the standard Java SDK 2?
(a)appletviewer(b)JMF(c)Jar tool(d)Swing(e)none of the above
2) Which of the following is an abstract class in the Java API?
(a)int (b)Integer (c)WindowListener (d)WindowAdapter (e)none of the above
3) Which of the following types can be stored in a TreeMap?
(a)int (b)boolean (c)char (d)String (e)none of the above
4) How many main methods are allowed in a java program which comprises four user-defined classes?
(a)one (b)two (c)three (d)four (e)none of the above.
**********************************************************************about that main methods: i find it strange that only 1 main method is allowed, i would say: alot :)
Just to give an example of the possibilities:
public class Main {
public static void main (String[] args) {}
public static void main (int i) {}
public void main() {}
public void main (int i, String blah) {}
}All is allowed, only the
public static void main (String[] args) {}will be used as the startup method for the program.
So in other words, that question not complete.
Greets,
Barre
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