Imported package does not exist

Hello
I'm importing a package com.borland.jbcl.layout.* into my java
program to do some GUI layout but kept getting the error that the package does not exist. Can someone explain why and the solution to this problem please?
Thanks
Danny

If the class you are trying to import is in a .jar file, you need to add the jar to your classpath CLASSPATH=c:\dir1\...\MyJar.jar. If the file is in a directory you need to include the base directory in the classpath CLASSPATH=c:\basedir

Similar Messages

  • Import package does not exist  java

    Hi ,
    i try to compile as following
    javac -cp "myapplication.jar:." modelapp.java
    my batch file as follwong
    set PATH=C:\Program Files\Java\jdk1.6.0_32\bin;C:\Users\DELL\Downloads\myfolder;C:\Users\DELL\Downloads\myfolder\edu;
    set CLASSPATH=C:\Program Files\Java\jdk1.6.0_32\bin;C:\Users\DELL\Downloads\myfolder;C:\Users\DELL\Downloads\myfolder\edu;
    cd C:\Users\DELL\Downloads\Stanfordnew
    but the error appear as following
    package edu.appli.machr. doesn't exist
    import package edu.appli.machr. doesn't exist
    i have already add the package to classpath
    please help me in how can i solve this problem.
    tHANKS

    javac -cp "myapplication.jar:." modelapp.java You compile on Linux and run on Windows or something? That is the Linux classpath, on Windows the list separator is ; If you do everything on Windows I'm a bit amazed it worked.
    set CLASSPATH=C:\Program Files\Java\jdk1.6.0_32\bin;C:\Users\DELL\Downloads\myfolder;C:\Users\DELL\Downloads\myfolder\edu;You made a copy/paste mistake, the classpath contains the path.
    please help me in how can i solve this problem.Research what the classpath actually is. Google can easily provide you plenty of articles describing it.

  • Import statement reports 'package does not exist'

    I am seeing another odd error. I'm working on learning how to read and write to text files, and I have 2 errors reported, but one is obviously caused by the other. My package is labeled as such (copy>paste of package line):
    package michaelchristopherp4db;
    and the import line is this (copy>paste again):
    import michaelchristopherp4db.ProductRecord;
    However, Netbeans looks at the import and flags it red, saying package michaelchristopherp4db does not exist. this caused my line:
    ProductRecord product = new ProductRecord();
    to also be flagged in red as it cannot find the ProductRecord class. However, it has no problems with any of the product.get* method calls. Thank you in advance for any ideas or input.
    here is the full code of the file reporting the errors.
    * To change this template, choose Tools | Templates
    * and open the template in the editor.
    package michaelchristopherp4db2;
    import java.io.File;
    import java.io.FileNotFoundException;
    import java.lang.IllegalStateException;
    import java.lang.SecurityException;
    import java.util.NoSuchElementException;
    import java.util.Formatter;
    import java.util.FormatterClosedException;
    import java.util.Scanner;
    import michaelchristopherp4db.ProductRecord;
    /*  @author info
    public class readTxt
        private Scanner txtfile;
        private Formatter wishList;
        private Formatter giftIdeas;
        private Formatter priceError;
        //let user open file
        public void openFile()
        {//open method openFile
            try
            {//open try block
                priceError = new Formatter("priceerror.txt");//open object for items with invalid prices
                giftIdeas = new Formatter("giftideas.txt");//open object for gift ideas
                wishList = new Formatter("wishlist.txt");//open object for wish list
                txtfile = new Scanner(new File("products.txt"));//tell the compiler which file to use for input
            }//close try block
            catch (FileNotFoundException fileNotFoundException)
            {//open file not found catch block
                System.err.println("Error opening or creating file.");
                System.exit(1);
            }//close file not found catch block
            catch ( SecurityException securityException )
            {//start catch for SecurityException
                System.err.println("File Write access is denied.");
                System.exit(1);//END PROGRAM
            }//end catch
        }//close openFile method
        public void readProducts()
        {//open readProducts method
            ProductRecord product = new ProductRecord();//create object to hold read data
            //print headers for for output columns
            System.out.printf("%-10s%-12s%10s\n", "Product ID", "Product Name", "Price");
            try //read records from the file
            {//open try block
                while (txtfile.hasNext())
                {//open while
                    product.setproductID(txtfile.nextInt());//get productID
                    product.setproductName(txtfile.next());//get product name
                    product.setproductPrice(txtfile.nextDouble());//get product price
                    //print collected product details
                    System.out.printf("%-10d%-12s%10.2f\n", product.getproductID(),
                            product.getproductName(), product.getproductPrice());
                    if (product.getproductPrice()>50.0)
                    {//open if to store items $50 or more to wishlist.txt
                        wishList.format("%-10d%-12s%10.2f\n", product.getproductID(),
                                product.getproductName(), product.getproductPrice());
                    }//close if $50 or greater
                    else if (product.getproductPrice()<0.0)
                    {//open if less than zero
                        priceError.format("%-10d%-12s%10.2f\n", product.getproductID(),
                                product.getproductName(), product.getproductPrice());
                    }//close if less than zero
                    else
                    {//open else for gift ideas from $0 to $50
                        giftIdeas.format("%-10d%-12s%10.2f\n", product.getproductID(),
                                product.getproductName(), product.getproductPrice());
                    }//close else for gift ideas
                }//close while
            }//close try block
            catch (NoSuchElementException elementException)
            {//open no such element exception catch
                System.err.println("File improperly formed.");
                txtfile.close();//close text file
                System.exit(1);
            }//close no such element exception catch
            catch (IllegalStateException stateException)
            {//open illegal state exception catch
                System.err.println("Error reading from file.");
                System.exit(1);
            }//close illegal state exception catch
        }//close readProducts method
        //close file and end application
        public void closeFile()
        {//open closeFile method
            if (txtfile != null)
                txtfile.close();//close file
        }//close closeFile method
    }//end application readTxtAnd the code at the top of the class I am trying to import (so you can see the package I am trying to import)
    * To change this template, choose Tools | Templates
    * and open the template in the editor.
    package michaelchristopherp4db;
    *  @author
    public class ProductRecord {

    I am embarrassed to admit this, but I am completely lost on the last question.. I have no clue wether it is a convenience for development or a dependancy, as I have not learned those terms or distinctions yet. For now I copied the ProductRecord file into my new project folder and renamed it's project line to match the new project name. However, while that eliminated the package does not exist error, and netbeans reports no errors now, when I run the program it does not write the new files. I have made some modifications to the code tryiing to get it to write properly but so far no luck in makingit work. Here is the current version of the file not running right.
    * To change this template, choose Tools | Templates
    * and open the template in the editor.
    package michaelchristopherp4db2;
    import java.io.File;
    import java.io.FileNotFoundException;
    import java.lang.IllegalStateException;
    import java.lang.SecurityException;
    import java.util.NoSuchElementException;
    import java.util.Formatter;
    import java.util.FormatterClosedException;
    import java.util.Scanner;
    /*  @author
    *   Michael Christopher
    *   IT215-1004D-03
    *   December 30, 2010
    *   Phase 4 DB 2
    public class readTxt
        private Scanner txtfile;
        private Formatter wishList;
        private Formatter giftIdeas;
        private Formatter priceError;
        //let user open file
        public void openFile()
        {//open method openFile
            try
            {//open try block
                priceError = new Formatter("priceerror.txt");//open object for items with invalid prices
                giftIdeas = new Formatter("giftideas.txt");//open object for gift ideas
                wishList = new Formatter("wishlist.txt");//open object for wish list
                txtfile = new Scanner(new File("products.txt"));//tell the compiler which file to use for input
            }//close try block
            catch (FileNotFoundException fileNotFoundException)
            {//open file not found catch block
                System.err.println("Error opening or creating file.");
                System.exit(1);
            }//close file not found catch block
            catch ( SecurityException securityException )
            {//start catch for SecurityException
                System.err.println("File Write access is denied.");
                System.exit(1);//END PROGRAM
            }//end catch
        }//close openFile method
        public void readProducts()
        {//open readProducts method
            ProductRecord product = new ProductRecord();//create object to hold read data
            //print headers for for output columns
            wishList.format("%-10s%-12s%10s\n", "Product ID", "Product Name", "Price");
            giftIdeas.format("%-10s%-12s%10s\n", "Product ID", "Product Name", "Price");
            priceError.format("%-10s%-12s%10s\n", "Product ID", "Product Name", "Price");
            try //read records from the file
            {//open try block
                while (txtfile.hasNext())
                {//open while
                    product.setproductID(txtfile.nextInt());//get productID
                    product.setproductName(txtfile.next());//get product name
                    product.setproductPrice(txtfile.nextDouble());//get product price
                    if (product.getproductPrice()>50.0)
                    {//open if to store items $50 or more to wishlist.txt
                        wishList.format("%-10d%-12s%10.2f\n", product.getproductID(),
                                product.getproductName(), product.getproductPrice());
                    }//close if $50 or greater
                    else if (product.getproductPrice()<0.0)
                    {//open if less than zero
                        priceError.format("%-10d%-12s%10.2f\n", product.getproductID(),
                                product.getproductName(), product.getproductPrice());
                    }//close if less than zero
                    else
                    {//open else for gift ideas from $0 to $50
                        giftIdeas.format("%-10d%-12s%10.2f\n", product.getproductID(),
                                product.getproductName(), product.getproductPrice());
                    }//close else for gift ideas
                }//close while
            }//close try block
            catch (NoSuchElementException elementException)
            {//open no such element exception catch
                System.err.println("File improperly formed.");
                txtfile.close();//close text file
                System.exit(1);
            }//close no such element exception catch
            catch (IllegalStateException stateException)
            {//open illegal state exception catch
                System.err.println("Error reading from file.");
                System.exit(1);
            }//close illegal state exception catch
        }//close readProducts method
        //close file and end application
        public void closeFile()
        {//open closeFile method
            if (txtfile != null)
                txtfile.close();//close file
        }//close closeFile method
    }//end application readTxtwith the System.out.printf lines in the ReadProducts method it would properly print to screen all of the elements in the products.txt file, it is not outputting to the other .txt files at all. I will be exploring the closeFile method in case the error is due to not closing all of the files in that method, but does anyone else see what might cause it not to output the data to the appropriate .txt files?

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    http://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sapportals.km.docs/library/netweaver-application-server/_netweaver-application-server/a-c/Creating%20your%20First%20J2EE%20Application.pdf
    I did everything inside up to the last moment after I deployed my EAR and tried to run from the portal but got Application error.  I checked the defaultTrace log file from the portal server and notice these errors:
    #1.5 #001A6431E0FE0020000000750000155C0004B9B284863A19#1330076285575#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#sap.com/CalculatorEar#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#Guest#0##40C36AF65ECB11E18721000000978DDA#40c36af65ecb11e18721000000978dda-0#40c36af65ecb11e18721000000978dda#SAPEngine_Application_Thread[impl:3]_21##0#0#Error#1#/System/Server/WebRequests#Plain###application [Calculator] Processing HTTP request to servlet [jsp] finished with error.
    The error is: com.sap.engine.services.servlets_jsp.server.jsp.exceptions.CompilingException: Error while executing the compilation process: [G:/usr/sap/EPD/JC00/j2ee/cluster/server0/apps/sap.com/CalculatorEar/servlet_jsp/Calculator/work/jsp_Calculator1330076284538.java:41: package com.sap.examples.calculator.beans does not exist
              com.sap.examples.calculator.beans.CalcProxy calc = null;
                                                     ^
    G:/usr/sap/EPD/JC00/j2ee/cluster/server0/apps/sap.com/CalculatorEar/servlet_jsp/Calculator/work/jsp_Calculator1330076284538.java:42: package com.sap.examples.calculator.beans does not exist
                   calc = (com.sap.examples.calculator.beans.CalcProxy)pageContext.getAttribute("calc", PageContext.SESSION_SCOPE);
                                                                     ^
    G:/usr/sap/EPD/JC00/j2ee/cluster/server0/apps/sap.com/CalculatorEar/servlet_jsp/Calculator/work/jsp_Calculator1330076284538.java:48: package com.sap.examples.calculator.beans does not exist
                        calc = (com.sap.examples.calculator.beans.CalcProxy) Beans.instantiate(getClass().getClassLoader(), "com.sap.examples.calculator.beans.CalcProxy");
                                                                             ^
    3 errors
    The thing I don't understand is the "comp.sap.examples.calculator.beans" class has already been included inside the EAR (I used my zip tool to check the EAR file and confirmed it's there), why did the compiler still complain that the package does not exist?  Any great guys & gals out there can help this poor newbie who spent the past 5 hours searching for Google for answers but couldn't find any??
    Thank you.
    Brian

    Perhaps I should give out more information about this problem.
    The EAR file contains a WAR file and a JAR file. 
    The WAR file contains a JSP and it contains codes to refer to a java proxy class of package comp.sap.examples.calculator.beans.CalcProxy.
    So it seems the compilation error is triggered when it tries to compile the WAR file.
    I checked the structure of the WAR file using a zip tool.
    At the base it contains this:
    WEB-INF (a folder)
    Calculator.jsp (the JSP file)
    Inside the WEB-INF folder is these:
    classes (a folder)
    web-j2ee-engine.xml
    web.xml
    Inside the classes folder is a tree of subfolders to describe the structure of the CalcProxy class:
    classes -> comp -> sap -> examples -> calculator -> beans -> CalcProxy.class
    So the java class file and the JSP file is in the same bundle of the WAR file.
    Why the compiler is not able to find the class file inside the JSP?

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