Control Statement inside System.out.println

I am printing something like this:
System.out.println(parts1[0] + "|" + parts1[1]); Now, I want to keep a check i.e. if parts1[1] is say 3 I want to printout Hi and if parts1[1] is any other digit I printout Hello. [parts is obtained by using split method from data]
Can I do it inside the print statement?

Be judicious about this though. Unless the ternary expression and the overall argument to println are both very simple, you'll end up with an unreadable, unmaintainable mess. The only advantage to doing it all inside the println argument is compactness. If it gets unwieldy, break it up into separate statements, assign the end result to a variable, and print that.

Similar Messages

  • System.out.println statements inside my session beans

    I have some System.out.println statements inside my session beans to track some error conditions. I would like to know where this output will be printed. Is there any text file I should look for or start up any console to see the output.
    I am running iPlanet SP3 test drive edition iPlanet Web Server 4.1 on WIndows NT machine.

    Hi,
    These statements will be printed on the kjs logs file. To view them, go to control panel-> services-> select the iPlanet Application server and click "start up" tab. Check " allow this sevice to interact with the desk top" in the service window that has been popped up. Restart the iPlanet Application server.
    View the kjs window. All your System.out.println statements will be printed out there.
    If you have any further queries please get back to the forum.
    Thanks for visiting our web forum,
    Rakesh.

  • Lost System.out.println statements.

    Hi
    I have few system.out.println in my jsp which i am using in my JSP provider channel. but when I look at the portal server's /var/opt/SUNWam/debug/desktop.debug file, none are there.. I looked at the web server's access and error logs too, but it is not there also.. can somebody tell me how do it get those ?? do we have any other mechanism to put debug logs ?

    By default the binary which web server runs is uxwdog which eats up System.out.println output. If you want to see the System.out.println then you need to change the product binary from the start script of the portal server instance.
    - Go to <portal-install-dir>/SUNWam/servers/https-<instance-name> and open the start script
    - Change the PRODUCT_BIN=uxwdog to PRODUCT_BIN=ns-httpd , save the file
    - Run the script ./start to start the portal server
    Note : with ns-httpd ON the server will not leave that shell, and in the same window/shell you will be able to see all your System.out.println statements. To close the server you have to kill the server process with "kill -9 pids" command
    Alternate way is to use api inside your application or jsp:
    <%@page import="com.sun.portal.providers.jsp.JSPProvider, com.sun.portal.providers.*, com.sun.portal.providers.containers.*, com.sun.portal.providers.context.*" %>
    <% JSPProvider p=(JSPProvider)pageContext.getAttribute("JSPProvider");
    ProviderContext pc = p.getProviderContext(); %>
    <%-- after that you can use these lines any where in your jsp --%>
    <%
    pc.debugError("your error msg");
    pc.debugMessage("your msg");
    pc.debugWarning("your warning msg");
    %>
    The perticular mgs will be shwon in /var/opt/SUNWam/debug/desktop.debug file as per your "debugLevel" parameter setting in /etc/opt/SUNWps/desktop/desktopconfig.properties file. By default the debugLevel is set to error so only pc.debugError("error msg") will be shown.
    Sanjeev

  • System.out.println()'s inside implementation

    Hello,
    We all know the System.out.prinltn() API. But I want to know the inside implementation of System.out.println() API. Where can I get this implementation?
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    JohnWen604
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    I just cannot understand what is the magic behind
    d that one API can control the hardware(i.e. control
    the screen to print one "simple" sentance). Do youIt's called "native OS methods". And you're not controlling anything, the graphics driver does. You're just asking the OS to ask the driver to ask the graphics card to send the appropriate signals.
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    hardware is controlled by the Application Program, I
    will be more sensible in writing software. Just likeI doubt that. The more sensible way would be to stick to a useful level of abstraction and good design.
    you know the IC's inner structure if you want to be
    an qualified Electronic Engineer. Do
    you think so?No.
    Besides, from some OS books I know that
    w that Application program written in Java will
    become some OS commands that is ready for going
    through the OS's command processor. I just do not
    understand how that primitive Java code is written
    which is OS command and can tell hardware(screen) to
    print something. Do you know what that primitive Java
    code is?-- The primitive Java code that is a OS
    command to tell screen to print something. The
    primitive java code 's examples are "+", "for",
    "while", "private". The primitive java code does not
    mean API.No. It's called "instructions".
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    setOut0() is simply an API. Do you know the
    implementation of this setout0() API? There must be
    implementation and there must be the primitive Java
    code. Do you agree with me?No. It's N-A-T-I-V-E. No Java code. Nowhere. Just C++ or whatever.

  • Where to see the System.out.println statements on soa server.

    Hi,
    I have generated some proxy classes in my jdeveloper. And I have deployed that project to the admin server on my soa_domain.
    Now my java files have some System.out.println statements. I want to see those values.
    Can anyone please let me know where I can see those statements on server.
    What s the file name where i can see.
    do i have to enable some debigging on the server. if yes then for what level i need to enable the log at what level.
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    Anoop

    Hi,
    System.out.println is not really a good way to debug in weblogic... If you didn't configure where the stdout will go those messages can end up going nowhere...
    I suggest you use one of these...
    This will go to the soa*diagnostic logs... for example DOMAIN_HOME/servers/soa_server1/soa_server1-diagnostic.log...
    import java.util.logging.Level;
    import java.util.logging.Logger;
    import oracle.fabric.logging.LogFormatter;
        private static final Logger soa_logger = Logger.getLogger("oracle.soa.Logger");
        static {
            LogFormatter.configFormatter(soa_logger);
            soa_logger.log(Level.INFO, message);
            soa_logger.log(Level.INFO, message, t);or
    This will go to the server logs... for example DOMAIN_HOME/servers/soa_server1/soa_server1.log...
    import weblogic.logging.NonCatalogLogger;
        private static NonCatalogLogger weblogic_logger = new NonCatalogLogger("SomeMeaningfulNameHere");
            weblogic_logger.notice(message);
            weblogic_logger.notice(message, t);Usually info and notice will go to the logs by default, you can try with higher levels (error,warning) as well or you can tweek the server debug level to use lower levels...
    Cheers,
    Vlad

  • Disable or restrict System.out.println() statements on client side

    Hi All,
    This might be a stupid question, but i am still going ahead and asking the question.
    Is there a way to disable or restrict System.out.println() statements in applet code from executing on the client side by using settings in proxy server or firewall or other security settings.
    Thanks
    Nag

    Hi All,
    This might be a stupid question, but i am still going
    ahead and asking the question.
    Is there a way to disable or restrict
    System.out.println() statements in applet code from
    executing on the client side by using settings in
    proxy server or firewall or other security settings.
    System.out.println() calls are executed on the client machine, and thus do not pass through any firewalls or proxies. If the applet is signed, you can redirect the System.out, by System.setOut(...).

  • How does System.out.println(). Work inside src.zip file !

    Hello guyz,
    I was just wondering how System.out.println() worked so i opened up the src.zip file and checked the source code. But could not understand it. As written i remember
    "out is an object encapsulated in the System class."
    Thats ok. But i could not understand the code.
        public final static PrintStream out = nullPrintStream();
        private static PrintStream nullPrintStream() throws NullPointerException {
         if (currentTimeMillis() > 0) {
             return null;
         throw new NullPointerException();
        }Also when i ran the DJ Decompiler it decompiled it to this:
    public class One
         public static void main(String args[])
              System.out.println("hello world");
    import java.io.PrintStream;
    public class One
        public One()
        public static void main(String args[])
            System.out.println("hello world");
    }Also, why does it need to import PrintStream ?

    Peter__Lawrey wrote:
    I was just wondering how System.out.println() worked so i opened up the src.zip file and checked the source code.This value is a place holder. This value is changed as soon as enough of the JVM is initialised for printing to work.
    Also, why does it need to import PrintStream ? It doesn't, but it is used in the code so DJ is including it just in case.Sorry,
    But i don't understand at all.

  • 32-bit JDK 7 System.out.println not working in IDE

    Hi folks,
    I have a 64-bit Windows 7 OS.
    Due to 3rd party library/jar dependencies, i had to install the 32-bit Java JDK 1.7 and Eclipse IDE.
    I also installed NetBeans.
    So i have a 64-bit OS and am running 32-bit Java JDK/JRE & IDEs.
    The problem I am having is that my program's System.out.println("...") statements are not outputting strings to either IDE debug console.
    Executing the compiled program from a command line/prompt produces the expected string output.
    The basic "Hello, World" program is enough to cause this behaviour to start occurring.
    I have not manually / intentionally changed any IDE-specific Debug Console or Windows environment settings.
    One caveat: This same environment has worked successfully in the past ?! Yes, this is one of those "..it worked last week & yesterday and today it isn't and i swear i didn't do anything..." issue.
    Thoughts ?

    Thanks for the reply.
    The 64-bit versions of Java & Eclipse were installed first.
    When i discovered I had to use the 32-bit versions, i un-installed the 64-bit ones & installed the 32-bits.
    Even after that initial un-install 64-bit/install 32-bit process, it was working.
    I have also been installing the Windows 7 64-bit OS updates when i am informed of them.
    I'm not sure if any of these would affect how the Eclipse / NetBeans IDEs behave.
    Behaviour has been inconsistent.
    Initially it was always working.
    But over the past several days, it has been working less and less.
    I don't have any large data structures.
    This isn't a large complicated program, couple hundred lines, so i highly doubt that i'm doing anything to the resources, but something has changed.
    The main project I am working on takes command line parameters, does some initial processing, produces output using System.out.printlns [SOP] then depending on the parameters, branches into 2 different processing paths, let's call them A & B. Each of these processing paths also use SOPs. When i run the program in the IDE going thru path A, sometimes the initial SOP statements will work and the SOP statements specific to path A will also work. If i immediately change the parameters to go thru path B & re-run it, not even the initial SOP statements before the branching decision work.
    I've tried doing System.flush()s too - no affect.
    I haven't tried the re-direction option to a file option you mentioned yet.
    It always works from a command prompt - that is telling me that the Java SOPs are working properly, correct ?
    Inside an Eclipse or NetBeans IDE, SOP output to the debug console is inconsistent.
    Running from a command prompt, the SOPs always work.
    It'd help to know if this an IDE issue, a Java issue, a Windows 7 issue so i can narrow down where to try and correct the situation.
    I have a Windows XP VM set up, i'll try running the program there and see if there's a difference.
    Thanks for your reply.

  • System.out.println not showing up in the console

    Hi,
    I've some System.out.println statements in a static block in a Stateless
    Session Bean. I could not see these outputs in the Weblogic console. I'm
    using Weblogic 5.1 Any one faced this problem before? any help is
    appreciated.
    Thanks & Regards,
    Nithi.

    Take a look in the weblogic log files they might be redirecting std out.
    "Ryan LeCompte" <[email protected]> wrote:
    >
    Hello Nithi,
    I'm all out of ideas, unfortunately! However, check out the following
    links for
    some possible insight into the problem:
    http://groups.google.com/groups?q=System.out.println+5.1+WebLogic&start=60&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=3d3df18e%40newsgroups.bea.com&rnum=69
    http://groups.google.com/groups?q=System.out.println+5.1+WebLogic&start=70&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=3977417b%40newsgroups.bea.com&rnum=71
    http://groups.google.com/groups?q=System.out.println+5.1+WebLogic&start=200&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=3bc20346%241%40newsgroups.bea.com&rnum=209
    Best regards,
    Ryan LeCompte
    [email protected]
    http://www.louisiana.edu/~rml7669
    "Nithi Rajan" <[email protected]> wrote:
    Hi Ryan,
    Thanks for your reply and sorry for the long silence. I was on vocation.
    Thre problem still remains.I'm very sure that the EJB
    is deployed by WebLogic as I'm able to call some methods.
    and I'm also calling EJB methods from Servlet. But my
    System.out.println statments work fine in the Servlet and
    not inside EJB (or anyother classes used by EJB).
    Any one has faced similar problems? BTW am using WebLogic 5.1
    Thanks in advance,
    Regards,
    Nithi.
    "Ryan LeCompte" <[email protected]> wrote in message
    news:[email protected]...
    Hello Nithi,
    I find it strange that your System.out.println statements are beingexecuted from
    within your servlets, but not in your stateless session bean. Are
    you
    positive
    that your EJB is being located and deployed by WebLogic? The statementsin
    your
    static { } block should be executed as soon as the WebLogic class
    loader
    finds
    the class and loads it into the JVM. I would suggest examining theconsole
    and
    try to determine if your EJB is in fact being deployed. Are you invokingmethods
    on the EJB inside of your servlets? Are you using any logging frameworkfrom within
    the EJBs which would redirect output to a file?
    Best regards,
    Ryan LeCompte
    [email protected]
    http://www.louisiana.edu/~rml7669
    "Nithi Rajan" <[email protected]> wrote:
    Hi Ryan,
    Thanks for your reply. The setting in the weblogic.properties is
    as
    follows.
    weblogic.system.enableConsole=true
    So, that tells me that I should see all the System.out.printlns right?
    (Pleasecorrect me if I'm wrong). I can see all the System.out.println
    from
    my
    servletand not from the Session Bean (even if the System.out.println
    is
    outside
    static block).
    Please let me know your thoughts.
    Thanks & Regards,
    Nithi.
    "Ryan LeCompte" <[email protected]> wrote in message
    news:[email protected]...
    Hello Nithi,
    Are you sure that you don't have WebLogic configured to redirect
    all
    messages
    to a file instead of the console? Are you able to see yourSystem.out.println
    statements when placed within other methods of your stateless sessionbean? Please
    be a bit more specific.
    Thank you,
    Ryan LeCompte
    [email protected]
    http://www.louisiana.edu/~rml7669
    "Nithi Rajan" <[email protected]> wrote:
    Hi,
    I've some System.out.println statements in a static block in a
    Stateless
    Session Bean. I could not see these outputs in the Weblogic console.
    I'm
    using Weblogic 5.1 Any one faced this problem before? any helpis
    appreciated.
    Thanks & Regards,
    Nithi.

  • System.out.println stalls my jdev

    Hello
    Is there a bug database with regards to JDeveloper 3.0?? My JDev seems to stall when I attempt to type out a "System.out.println(..)" statement. Has anyone encountered something similar?? WinNt4.0 workstation (sp5)
    Tia,
    -Robert-

    Same problem, NT 4.0. Often it stalls just when you type the open parenthesis prior to the string. My guess is it has something to do with the popup choices menu for that method. I don't know how to fix it but I'm using a clunky work-around by copying and pasting something like:
    System.out.println("");
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  • Where to see the System.out.println() messages

    I deploy my application in Oracle9ias . I have some System.out.println() statements in java class files.
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    The Member Feedback forum is for suggestions and feedback for OTN Developer Services. This forum is not monitored by Oracle support or product teams and so Oracle product and technology related questions will not be answered. We recommend that you post this thread to the Application Server-General forum. The URL is:
    Oracle Application Server - General

  • System.out.println - Hello World Example

    Hi All
    I am using Apache Tomcat and trying t produce a simple output to the browser. Cannot get System.out.println to work. See code and out below:
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    <BODY>
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    <%
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    </BODY>
    </HTML>
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    end browser ouput
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    Naresh

    System.out prints to System.out. What that is depends:
    In applets, (which the OP was not talking about) it is the Java Console.
    In JSP, it's the same as any application by default.
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  • Print System.out.println messages into logs of Weblogic Application Server

    Hi,
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    I tried reading other threads on the forum and as per them 'System.out.println' gets logged onto *.out logs which I am unable to find. Only base_domain.log, AdminServer.log, access.log are available in the location.
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    Paul,
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    http://www.onjava.com/pub/a/onjava/2002/01/16/oracle.html?page=2

  • How do you change system.out.println colour?

    Hi, I am developing some basic rmi client/server applications, I have an 2D array on a central server being read/written by remote clients. all the development is using system.out. statements at the moment (hopefully being replaced by GUI later) my question is when a client remote calls a read operation, and reads an array location, eg x3, y4 I want to print the location contents in a different colour to indicate the read, at the moment the displayArray() simply has nested for loops to cycle through the array and System.out.println statements to get it to the screen. I wonder is there a simple way to change the colour of system.out type statements? thanks for any help

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  • System.out.println in EJB

    Hi I have given System.out.println in my EJB object. But I am not able to see the output in my console. But when I give printStackTrace in my JSP(from where I can EJB)....it is displaying the exception....
    So my question is Can we give System.out... in EJB?. Should we set any property to see the output of System.out...in the console?.

    Here is my code
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    throw new ProdSchedException(rex,"Server Failed");
    catch(CreateException cex){
    ServerLog.log(cex.getMessage(),ServerLog.ERROR);
    throw new ProdSchedException(cex,"Create Exception");
    This is my EJB code
    import javax.ejb.*;
    import java.rmi.RemoteException;
    import java.util.*;
    import javax.xml.parsers.*;
    import org.xml.sax.*;
    import org.w3c.dom.*;
    import java.io.*;
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    public class UserMgrEJB implements SessionBean {
    SessionContext cntx;
    public boolean validateSignOn(String strUserName,String strPassword) throws ProdSchedException{     
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         System.out.println("Inside EJB");
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    return bValidUser;
    //Bean methods
    public void ejbCreate(){
         System.out.println("Inside EJB Create");
    public void ejbRemove(){
    public void ejbActivate(){
         System.out.println("Inside EJB Activate");
    public void ejbPassivate(){
    public void setSessionContext(SessionContext cntx){
    this.cntx = cntx;
    This is mu UserDAO code
    public class UserDAO extends DAO{
    public boolean validateUser(String userName,String password) throws ProdSchedException{
    Connection conn = null;
    PreparedStatement stmt = null;
    ResultSet result = null;
         System.out.println("Inside validateUser in DAO");
    try{
              boolean bIsValidUser = true;
         String selectStatement = "SELECT SYSDATE from DUAL";
         conn = getConnection();
    stmt = conn.prepareStatement(selectStatement);
    result = stmt.executeQuery();
    while(result.next()){
    bIsValidUser = true;
    return bIsValidUser;
    catch(SQLException sqex){
    ServerLog.log(sqex.getMessage(),ServerLog.ERROR);
    throw new ProdSchedException(sqex,sqex.getMessage());
         finally{
    try{
    close(conn,stmt,result);
    catch(ProdSchedException slex){
                   ServerLog.log(slex.getMessage(),ServerLog.ERROR);
    throw slex;
    } // end class
    And the error I get in the console is this(since I have given printStackTrace in my JSP)
    ProdSchedException: SQL Error
    at UserDAO.validateUser(UserDAO.java:
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    at UserMgrEJB.validateSignOn(
    UserMgrEJB.java:26)
    at UserMgrEJB_p3hctp_EOImpl.v
    alidateSignOn(UserMgrEJB_p3hctp_EOImpl.java:46)
    at UserManager.validateSignOn(User
    Manager.java:20)
    at jsp_servlet._public.__login._jspService(__login.java:123)
    at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
    at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
    (ServletStubImpl.java:1094)
    at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
    pl.java:437)
    at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
    pl.java:319)
    at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
    n.run(WebAppServletContext.java:5626)
    at weblogic.security.service.SecurityServiceManager.runAs(SecurityServic
    eManager.java:685)
    at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
    rvletContext.java:3213)
    at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
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    at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:251)
    at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:219)

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