Java Discussion Boards

Re: how to print the fullstr string to a text file.

Richard MacCutchan16-Aug-16 2:58

Richard MacCutchan

16-Aug-16 2:58

Yes, I noticed that after I posted my comment. Either way he's trying the scatter gun approach.

need to print the fullstr string to a textfile

Member 1142765716-Aug-16 0:31

Member 11427657

16-Aug-16 0:31

<pre lang="C#">public class sampl{
private static final boolean Null = false;
static String store = null;
static String ip = null;
static String port= null;
static String username = null;
static String password = null;
static String sid = null;
static String get = null;
static String s;
static String v="success";
static String sa = null;
static String fullstr = null;
String[] spl= null;
int i = 0;

public static void main(String[] args) throws FileNotFoundException {
{

String csvFile = "C:\\purge_test\\sam.csv";
BufferedReader br = null;
String line =null;
String cvsSplitBy = ",";
String[] spl= null;
String detail[]=null;

try {

br = new BufferedReader(new FileReader(csvFile));

// System.out.println("*****");

while ( (line = br.readLine() ) != null) {

// System.out.println("inside");
// use comma as separator
detail = line.split(cvsSplitBy);

// System.out.println("server ip = " + detail[1] +"\tport = " + detail[2] + "\tUsername"+ detail[3]+"\tPassword = "+ detail[4]+"\tSID = "+ detail[5]);
try{
store =detail[0];
ip = detail[1];
port= detail[2];
username = detail[3];
password = detail[4];
sid = detail[5];

int po = Integer.parseInt(port);

//step1 load the driver class
Class.forName("oracle.jdbc.driver.OracleDriver");

String a = "jdbc:oracle:thin:@"+ip+":"+po+":"+sid;
// System.out.println("string a:" + a);
// System.out.println("usrname:"+username);
//.out.println("pswd:"+password);

//step2 create the connection object
Connection con=DriverManager.getConnection(a,username,password);

// Connection con=DriverManager.getConnection(
// "jdbc:oracle:thin:@172.26.64.50:1521:xe","OATXPRESS","Ckpoatorapw1234");
//
//
//System.out.println("qqqq");

//Connection con=DriverManager.getConnection("a",username,password);

//step3 create the statement object
Statement stmt=con.createStatement();

// System.out.println("rrrr");

// java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
//step4 execute query
ResultSet rs=stmt.executeQuery("select TASK_NAME,to_char(START_TIME,'DD-MON-YYYY HH24:MI:SS') as RUN_TIME,case when count(*) > 0 then 'Task Initiated' else 'Task Not Initiated' end as \"TASK_Status\" from TMS_TASK_LOG where (TASK_NAME='purge_database' or TASK_NAME='db_stats_collection') and to_char(START_TIME, 'DD-MON-YYYY')=TO_CHAR(SYSDATE, 'DD-MON-YYYY') group by TASK_NAME,START_TIME ");
//File file = new File("C:/purge_test/tr.txt");

// ResultSet rs=stmt.executeQuery("select TMS_TASK_LOG_ID,TASK_NAME,START_TIME,STATUS from TMS_TASK_LOG where TASK_NAME = 'purge_database' AND ROWNUM < = 1 order by 1 desc");

if(rs.next())
{
System.out.println(rs.getString(1)+" "+rs.getString(2)+" "+rs.getString(3)+" ");

/*System.out.println(rs.getString(1)+" ");
System.out.println(rs.getString(2)+" ");

System.out.println(rs.getString(3)+" ");

//System.out.println(rs.getString(4)+" ");

Date d = new Date();
System.out.println("date "+d);*/

String fullstr =rs.getString(1)+" "+rs.getString(2)+" "+rs.getString(3)+" ";

System.out.println("**********"+fullstr);

//__________________________
FileWriter fw = new FileWriter("C:/purge_test/foooooo.txt");

for (int i = 0; i < 10; i++) {
fw.write("something:\t"+ fullstr);
}

fw.close();

System.out.println("****00000******"+fullstr);
}

System.out.println("Done for store :"+store);

//step5 close the connection object
con.close();

}catch(Exception e){ System.out.println(e);}

}

} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

finally {

if (br != null) {
try {

br.close();

} catch (IOException e) {
e.printStackTrace();
}
}
}

}

}}//____________________________________________________</pre>

Duplicate entry 'VALUE' for key 'PRIMARY'

Django_Untaken13-Aug-16 9:54

Django_Untaken

13-Aug-16 9:54

Hello there. I am trying to insert record into MySQL table. Record gets inserted but I am getting this weird exception. Here is my code

// Register JDBC driver
Class.forName(JDBC_DRIVER);

// Open a connection
m_MySqlConnection = DriverManager.getConnection(DB_URL, USER, PASS);

PreparedStatement add_emp_prepstmt = m_MySqlConnection.prepareStatement("INSERT INTO EmployeeDetails VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
add_emp_prepstmt.setString(1, emp.EmployeeId);
add_emp_prepstmt.setString(2, emp.Password);
add_emp_prepstmt.setString(3, emp.FirstName);
add_emp_prepstmt.setString(4, emp.SurName);
add_emp_prepstmt.setInt(5, emp.Age);
add_emp_prepstmt.setInt(6, emp_sex_id);
add_emp_prepstmt.setString(7, emp.Address);
add_emp_prepstmt.setString(8, emp.City);
add_emp_prepstmt.setInt(9, emp_maritalstatus_id);
add_emp_prepstmt.setString(10, emp.EmailId);
add_emp_prepstmt.setInt(11, emp_type_id);
add_emp_prepstmt.setInt(12, emp_department_id);
add_emp_prepstmt.setString(13, emp.Designation);
add_emp_prepstmt.setDouble(14, emp.Salary);
add_emp_prepstmt.setString(15, emp.NTN);
add_emp_prepstmt.setDouble(16, emp.TaxPercent);

add_emp_prepstmt.executeUpdate(); // HERE EXCEPTION OCCURS

And following is the exception showing

<br />
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'muzammil-XYZ-1235' for key 'PRIMARY'<br />

with tons of locations afterwards. Last line of code snippet shows exact exception location. Agaiiiin, record gets inserted. What could be wrong?? Thanks.

Re: Duplicate entry 'VALUE' for key 'PRIMARY'

Patrice T13-Aug-16 16:59

Patrice T

13-Aug-16 16:59

Not weird at all.

Django_Untaken wrote:
What could be wrong??

SQL do not allow duplicate values in a column that is primary key.

Patrice

“Everything should be made as simple as possible, but no simpler.” Albert Einstein

Re: Duplicate entry 'VALUE' for key 'PRIMARY'

Django_Untaken14-Aug-16 3:28

Django_Untaken

14-Aug-16 3:28

Yes. But I delete all the rows from table, before doing anything. It inserts the row and then gives this exception.

Re: Duplicate entry 'VALUE' for key 'PRIMARY'

Patrice T14-Aug-16 3:39

Patrice T

14-Aug-16 3:39

Check that you don't try to insert 2 times the same key

Patrice

“Everything should be made as simple as possible, but no simpler.” Albert Einstein

[SOLVED] java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

Django_Untaken4-Aug-16 8:35

Django_Untaken

4-Aug-16 8:35

Thanks to richard's pointer...it is solved.

=========================

Hello there. I am trying to connect to mysql database from my basic servlet. As you can see, I reach the servlet but facing this exception when trying to load the MySQL driver.

String JDBC_DRIVER="com.mysql.jdbc.Driver";  
String DB_URL="jdbc:mysql://localhost/testdb";
Class.forName(JDBC_DRIVER); // HERE COMES THE EXCEPTION

I use command line to compile this servlet with all possible JARs.

<br />
javac -classpath ".;path/to/servlet-api.jar;path/to/tomcat-jdbc.jar;path/to/jasper.jar;path/to/mysql-connector-java-5.1.33-bin.jar" FormDbServlet.java<br />

When I try to get values on my HTML page from servlet, I reach the doGet() method but there I get the said exception. What could be wrong? Thanks for any pointer.

modified 5-Aug-16 9:37am.

Re: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

Richard MacCutchan4-Aug-16 20:38

Richard MacCutchan

4-Aug-16 20:38

Google finds: https://dev.mysql.com/doc/connector-j/5.1/en/connector-j-usagenotes-connect-drivermanager.html[^].

Maven cmd line Tests failing,M aven Test Run Through Eclipse Pass

DLamar123-Aug-16 8:29

DLamar12

3-Aug-16 8:29

Hello all,

This is the circumstance. I am an QA Automation Engineer and right now I am being charged with setting up our CI framework in Jenkins but right now I am having issues with Maven. I am getting this error below when I try to run the mvn test command. However the tests work flawlessly in eclipse when run as maven test.

     T E S T S
    -------------------------------------------------------
    Running TestSuite
    Configuring TestNG with: org.apache.maven.surefire.testng.conf.TestNG652Configur
    ator@3830f1c0
    Configuring TestNG with: org.apache.maven.surefire.testng.conf.TestNG652Configur
    ator@bd8db5a
    Tests run: 16, Failures: 1, Errors: 0, Skipped: 14, Time elapsed: 0.66 sec <<< F
    AILURE!
    beforeTest(fcstestingsuite.fsnrgn.LoginTest)  Time elapsed: 0.442 sec  <<< FAILU
    RE!
    java.lang.IllegalStateException: The path to the driver executable must be set b
    y the webdriver.chrome.driver system property; for more information, see https:/
    /github.com/SeleniumHQ/selenium/wiki/ChromeDriver. The latest version can be dow
    nloaded from http://chromedriver.storage.googleapis.com/index.html
            at com.google.common.base.Preconditions.checkState(Preconditions.java:19
    9)
            at org.openqa.selenium.remote.service.DriverService.findExecutable(Drive
    rService.java:109)
            at org.openqa.selenium.chrome.ChromeDriverService.access$000(ChromeDrive
    rService.java:32)
            at org.openqa.selenium.chrome.ChromeDriverService$Builder.findDefaultExe
    cutable(ChromeDriverService.java:137)
            at org.openqa.selenium.remote.service.DriverService$Builder.build(Driver
    Service.java:296)
            at org.openqa.selenium.chrome.ChromeDriverService.createDefaultService(C
    hromeDriverService.java:88)
            at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:116)
    
            at fcstestingsuite.fsnrgn.LoginTest.beforeTest(LoginTest.java:54)
    
    
    Results :
    
    Failed tests:   beforeTest(fcstestingsuite.fsnrgn.LoginTest): The path to the dr
    iver executable must be set by the webdriver.chrome.driver system property; for
    more information, see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver.
    The latest version can be downloaded from http://chromedriver.storage.googleapis
    .com/index.html
    
    Tests run: 16, Failures: 1, Errors: 0, Skipped: 

14

As you can see it is related to my chrome system property/path. In my project I have a test package and page object package. I set my chrome system property in the object class and import that class into the test class which works fine in eclipse. I'm not quite sure why Maven is having an issue with this.

Sample code below

Java

Page Class 

    package pageobjectfactory;
    import org.openqa.selenium.WebDriver;
    import org.openqa.selenium.WebElement;
    import org.openqa.selenium.chrome.ChromeDriver;
    import org.openqa.selenium.support.FindBy;
    import org.testng.Assert;
    // URL = http://www.ourfsn.com/myfsn/
    
    public class Ourfsnlogin {
  
    	@FindBy(id="ctl00_ContentPlaceHolder1_tbxUname")
    	WebElement login;
    	@FindBy(id="ctl00_ContentPlaceHolder1_tbxPword")
    	WebElement password;
    	@FindBy(id="ctl00_ContentPlaceHolder1_btnSubmit")
    	WebElement submit;
    	@FindBy(name="ctl00$ContentPlaceHolder1$rptAccounts$ctl01$AccountSwitch")
    	WebElement PETSMARTUS;
    	@FindBy(name="ctl00$ContentPlaceHolder1$rptAccounts$ctl02$AccountSwitch")
    	WebElement PETSMARTCAD;
    	@FindBy(name="ctl00$ContentPlaceHolder1$rptAccounts$ctl03$AccountSwitch")
    	WebElement PETSMARTPR;
    	@FindBy(id="ctl00_lblTopLogin")
    	WebElement PETSMARTUSASSERT;
    	@FindBy(id="ctl00_lblTopLogin")
    	WebElement PETSMARTCAASSERT;
    	@FindBy(id="ctl00_lblTopLogin")
    	WebElement PETSMARTPRASSERT;
    	@FindBy(id="ctl00_Menu1_16")
    	WebElement LogoutButton;
    
   
    	public static WebDriver driver;
    	public static void main(String[] args) {
    		System.setProperty("webdriver.chrome.driver","C:\\Users\\dmohamed\\Documents\\Testing Environment\\Testing Environment\\Web Drivers\\chromedriver_win32 (1)\\chromedriver.exe");
    		WebDriver chromedriver = null; new ChromeDriver();
    
    
    		driver= chromedriver;
    
    
    	}
    
    
    	//Send user name in textbox 
    	public void sendUserName(String strUsername){
    		login.sendKeys("ebluth");}
    	public void sendUserNameServiceCenter(String strUsername){
    		login.sendKeys("servicecenter");}
    	public void sendUserNameSP(String strUsername){
    		login.sendKeys("4328701");
    	}
    	//Send Password
    	public void sendPassword(String strPassword){
    		password.sendKeys("password");}
    
    
    
    
    	//submitting credentials 
    	public void clicksubmit(){
    		submit.click();}
    	//Checking US PAge 
    	public void USAssertion(){
    		PETSMARTUS.isEnabled();
    	}
    	//Checking CAD page 
    	public void CAAssertion(){
    		PETSMARTCAD.isEnabled();}
    	//Checking PR Page 
    	public void PRAssertion(){
    		PETSMARTPR.isEnabled();}
    	//click us link
    
    	//Checking US PAge 
    	public void USclick(){
    		PETSMARTUS.click();
    	}
    	//Checking CAD page 
    	public void CAclick(){
    		PETSMARTCAD.click();}
    	//Checking PR Page 
    	public void PRclick(){
    		PETSMARTPR.click();}
    
    	//Click on
    	public void USPageValidation(){
    		Assert.assertTrue(PETSMARTUSASSERT.getText().contains("PETM-US"), "Incorrect Page [US,CA,PR]");
    
    	}
    	public void PRPageValidation(){
    		Assert.assertTrue(PETSMARTPRASSERT.getText().contains("PETM-PR"),"Incorrect Page [US,CA,PR]");
    	}
    	public void CAPageValidation(){
    		Assert.assertTrue(PETSMARTCAASSERT.getText().contains("PETM-CN"),"Incorrect Page [US,CA,PR]");
    	}
    	//Log out 
    
    	public void Logout (){
    		LogoutButton.click();
    
    
    
    	}}

    Test Class 
    package fcstestingsuite.fsnrgn;
    import org.testng.annotations.Test;
    import org.openqa.selenium.WebDriver;
    import org.openqa.selenium.chrome.ChromeDriver;
    import org.testng.annotations.BeforeTest;
    import org.testng.annotations.AfterMethod;
    import org.testng.annotations.AfterTest;
    import pageobjectfactory.Ourfsnlogin;
    import org.openqa.selenium.support.PageFactory;
    import org.openqa.selenium.support.pagefactory.AjaxElementLocatorFactory;
    
    public class LoginTest {
    	static WebDriver driver;
    	Ourfsnlogin LoginPage; 
    
    	@Test (priority=1)
    	public void USPageTest() {
    		LoginPage.sendUserName("ebluth");
    		LoginPage.sendPassword("password");
    		LoginPage.clicksubmit();
    		LoginPage.USclick();
    		LoginPage.USPageValidation();
    	}
    
    	@Test(priority=2)
    	public void CAPageTest(){
    		LoginPage.sendUserName("ebluth");
    		LoginPage.sendPassword("password");
    		LoginPage.clicksubmit();
    		LoginPage.CAclick();
    		LoginPage.CAPageValidation();
    	}
    
    
    	@Test (priority=3)
    	public void PRPageTest(){
    		LoginPage.sendUserName("ebluth");
    		LoginPage.sendPassword("password");
    		LoginPage.clicksubmit();
    		LoginPage.PRclick();
    		LoginPage.PRPageValidation();
    	}
    
    
    	@AfterMethod 
    	public void aftermethod(){
    		LoginPage.Logout();
    	}
    
    
    
    	@BeforeTest
    	public void beforeTest() {
    		Ourfsnlogin.driver=new ChromeDriver();
    		//setting global explicit wait 
    		PageFactory.initElements(new AjaxElementLocatorFactory(driver, 20), this);
    		Ourfsnlogin.driver.get("http://www.ourfsn.com/myfsn");
    		//initiating elements in page factory 
    		LoginPage= PageFactory.initElements(Ourfsnlogin.driver, Ourfsnlogin.class);
    
    	}
    
    	@AfterTest
    	public void afterTest() {
    		Ourfsnlogin.driver.quit();
    
    
    	}
    
    }

Any help would be greatly appreciated

Re: Maven cmd line Tests failing,M aven Test Run Through Eclipse Pass

jschell12-Aug-16 10:54

jschell

12-Aug-16 10:54

Remove both Jenkins and Eclipse from the process.

Validate that maven and java are installed on the work box (again neither of those have anything to do with Jenkins nor Eclipse.)
Create new directory.
Extract the entire source tree (repository, whatever) into that new directory.
Open a console window and cd to that new directory.
Run maven from there.

If the above fails, I suspect it will, then development, not QA/Test is responsible for fixing the contents of source control so that it runs. That however is a management problem not a technical problem.

I suspect the above will still fail. And it indicates that the unit tests are not set up correctly in that they are relying on something in eclipse. You probably have to add one or more configuration files.

It is quite possible that the configuration already exists somewhere but it is not accessible in the context in which the tests run. As a suggestion, and only a suggestion, the needed configuration files might be found in the 'primary' directory (wherever the delivered application actually starts to run) and they need to be moved and perhaps even modified into the parent directory where the tests are very likely into '.../src/test/resources' but other locations might be possible as well.

read and traverse over the TTL file

Eng.Roqaya22-Jul-16 8:12

Eng.Roqaya

22-Jul-16 8:12

I try to read TTL file and make traversing get subject, predict and object.

the program compile successfully but no output as a result of entering in an infinite call as I understood. any suggestion for help 

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package new_try;

//import static com.hp.hpl.jena.assembler.JA.Model;
//import com.hp.hpl.jena.graph.Triple;
//import com.hp.hpl.jena.rdf.model.Model;
///*import com.hp.hpl.jena.rdf.model.ModelFactory;*/import java.io.File;
import com.hp.hpl.jena.graph.Triple;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.jena.riot.RDFDataMgr;
//import org.apache.jena.riot.RDFDataMgr;
import org.apache.jena.riot.lang.PipedRDFIterator;
import org.apache.jena.riot.lang.PipedRDFStream;
import org.apache.jena.riot.lang.PipedTriplesStream;

/**
 *
 * @author bonn
 */
public class New_try {

    /**
     * @param args the command line arguments
     * @throws java.io.FileNotFoundException
     */
  
    public static void main(String[] args) throws FileNotFoundException   {
        
  
        final String filename = "E:\\yagoTransitiveType.ttl";
        System.out.println(filename);
        
          System.out.println("Hello1");
          PipedRDFIterator<Triple> iter = new PipedRDFIterator<>();
          System.out.println("Hello2");
          final PipedRDFStream<Triple> inputStream = new PipedTriplesStream(iter);
          System.out.println("Hello3");
        // PipedRDFStream and PipedRDFIterator need to be on different threads
         ExecutorService executor = Executors.newSingleThreadExecutor();
          System.out.println("Hello4");
//         Create a runnable for our parser thread
        Runnable parser;
        parser = new Runnable() {
           
            @Override
            public void run() {
        System.out.println(filename);
//                 Call the parsing process.
                RDFDataMgr.parse(inputStream, filename);
                
                          System.out.println("Hello6");

            }
        };
//         Start the parser on another thread
        executor.submit(parser);
 
        
        while (iter.hasNext()) {
            Triple next = iter.next();
            System.out.println("Subject:  "+next.getSubject());
            System.out.println("Object:  "+next.getObject());
            System.out.println("Predicate:  "+next.getPredicate());
            System.out.println("\n");
        }
 

        
        
        
        
        
    }
    
}

Re: read and traverse over the TTL file

Richard MacCutchan22-Jul-16 21:25

Richard MacCutchan

22-Jul-16 21:25

You also posted this question at Read TTL file and make traversing get subject, predict and object.[^]. Please post in one forum only.

.jar to .exe

prateek chauhan19-Jul-16 18:47

prateek chauhan

19-Jul-16 18:47

i have .jar file of my code and i want to convert it into .exe or standalone file which can be run on my of windows system without java installation. please guide me how i can do this. i had tried JSmooth 0.9.9-7 and JexePack . but there exe needs java installation.

Re: .jar to .exe

Richard MacCutchan19-Jul-16 21:48

Richard MacCutchan

19-Jul-16 21:48

See jar to exe - Google Search[^].

Re: .jar to .exe

Afzaal Ahmad Zeeshan22-Jul-16 8:33

Afzaal Ahmad Zeeshan

22-Jul-16 8:33

Besides what Richard has suggested, my recommendation is don't do this. This would entirely kill the purpose of Java language being used and would be of no good (and benefit) than to use Java over C++ or C#, if the need of the executable is just Windows operating system.

The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~

Re: .jar to .exe

Curry Francis25-Jul-16 1:50

Curry Francis

25-Jul-16 1:50

I think Jar2Exe application is going to be the most suitable option here. Though it's kinda' expensive. But it's the best tool for converting jar files into a executive binary files. Thumbs Up | :thumbsup:

Re: .jar to .exe

Richard MacCutchan25-Jul-16 3:16

Richard MacCutchan

25-Jul-16 3:16

Curry Francis wrote:
executive binary files.

Only available to management then. Poke tongue | ;-P

Re: .jar to .exe

Curry Francis27-Jul-16 4:01

Curry Francis

27-Jul-16 4:01

Yeah, true. But he didn't mentioned what exactly he wants from it, so.. Big Grin | :-D

Re: .jar to .exe

Richard MacCutchan27-Jul-16 4:51

Richard MacCutchan

27-Jul-16 4:51

I guess we need an irony emoji.

Re: .jar to .exe

jschell12-Aug-16 10:58

jschell

12-Aug-16 10:58

You could roll your own using exactly the same mechanism.

All it does is put the java jars and the VM into a binary for the target platform. When it is executed it starts the VM and feeds the jars to it.

Java - Iterating through form controls to create Array of Selected Items from Multiple JLists

Member 1141797813-Jul-16 20:31

Member 11417978

13-Jul-16 20:31

I want to iterate through the Controls on a form using a For loop to find the JLists then create an array of the selected items on certain JLists by JList name hopefully
In vb I would do something like:
For each ctrl in me.controls
if ctrl.name="abc" then
[do something]
end if
Next

Re: Java - Iterating through form controls to create Array of Selected Items from Multiple JLists

Richard MacCutchan13-Jul-16 21:48

Richard MacCutchan

13-Jul-16 21:48

And in Google it would be: iterate controls jform java - Google Search[^].

Re: Java - Iterating through form controls to create Array of Selected Items from Multiple JLists

Member 1141797813-Jul-16 23:14

Member 11417978

13-Jul-16 23:14

Thanks, was simpler than I thought.
Had tried searching, just should have thought a bit more about what i was searching for, it was a long night.

Re: Java - Iterating through form controls to create Array of Selected Items from Multiple JLists

Richard MacCutchan13-Jul-16 23:15

Richard MacCutchan

13-Jul-16 23:15

Given your question, what else could you search for?

The main purposes of learning java

Ratul Thakur24-Jun-16 4:04

Ratul Thakur

24-Jun-16 4:04

hi,
i'm an experienced C++ , C# and Python programmer. Now i'm thinking of learning java (i know the basics though).
But i'm wondering what will be the use of that... i know Java is pretty popular, but it cannot run without JRE (i.e. it does not support standalone executables) and the source code is also visible (even you can extract the .jar files and view the source code).I'm also an opengl programmer (with C++), and i've seen some opengl game tutorials with java, so the question arises that where those games will be played.. ive never seen a game with .jar executable.Im also known to the popular SWING toolkit, but where are those SWING apps used, i've never seen one. So i want to know the main purpose of learning java. And i've also got my environment ready with JDK and eclipse. Thumbs Up | :thumbsup:

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