Latest questions in Java

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1 answer

how to read csv file form sftp connection and store into string object in java code and convert into json.....post it using rest api

Hey, @Pooja, Before starting with anything you should ...READ MORE

May 13, 2020 in Java by Roshni
 • 10,520 points • 3,515 views
0 votes
0 answers

I cannot build and sync my gradle in androidstudio.

how to build and sync my gradle ...READ MORE

May 8, 2020 in Java by Edureka
 • 120 points • 1,181 views
–1 vote
0 answers

Is there anyone who knows well about android app studio and can build an app? I have a very good idea want to develop an app, need your help, if u can help me please leave a message [closed]

May 8, 2020 in Java by Pooja
 • 110 points
closed May 8, 2020 by Sirajul • 598 views
0 votes
1 answer

How to Embed Gecko/WebKit in Java?

Hii, If SWT is an option, you can ...READ MORE

May 8, 2020 in Java by Niroj
 • 82,880 points • 1,381 views
0 votes
1 answer

How to include SQLite database in executable Jar?

Hello @kartik, I have found two different ways ...READ MORE

May 8, 2020 in Java by Niroj
 • 82,880 points • 3,758 views
0 votes
1 answer

How do I make a list with checkboxes in Java Swing?

Hii @kartik, Create a custom ListCellRenderer and asign it to ...READ MORE

May 8, 2020 in Java by Niroj
 • 82,880 points • 2,164 views
0 votes
1 answer

How to get the windows native look in Java GUI programming?

Hello Kartik,  You can try the syntax: UIManager.setLookAndFeel(PLAF); (Pluggable ...READ MORE

May 7, 2020 in Java by Niroj
 • 82,880 points • 865 views
0 votes
1 answer

How to set JFrame to appear centered, regardless of monitor resolution?

Hello kartik, You can  always did it in ...READ MORE

May 7, 2020 in Java by Niroj
 • 82,880 points • 462 views
0 votes
1 answer

How to get comments by given user in Facebook Graph API? Can we get list of comments made by given user?

Hii kartik, You can get the list of ...READ MORE

May 7, 2020 in Java by Niroj
 • 82,880 points • 12,076 views
0 votes
1 answer

Reading data from excel , few cell values have double quotes. How to include the double quotes while reading

Hi, @Jyra, You can use one Java function ...READ MORE

May 7, 2020 in Java by Gitika
 • 65,910 points • 2,123 views
0 votes
1 answer

Write a method

Hey, @MIH, You can follow this: public class ReverseNumber ...READ MORE

Jun 5, 2020 in Java by Gitika
 • 65,910 points • 533 views
0 votes
0 answers

I think I messed up my PATH variable, when i try to run anything in Sublime 3 it just says 'javac' is not recognized as an internal or external command, operable program or batch file.

I remember trying to edit my PATH ...READ MORE

Apr 28, 2020 in Java by anonymous
 • 120 points • 2,684 views
0 votes
0 answers

Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 63 path $.data

Here i am using retrofit post request:- RequestBody ...READ MORE

Apr 24, 2020 in Java by anonymous
 • 120 points • 2,390 views
0 votes
1 answer

What Kind of Files IOC Container can Read other than XML directly or Indirectly?

Hi, @Ferry, The configuration metadata is nothing but bean ...READ MORE

Apr 23, 2020 in Java by Gitika
 • 65,910 points • 652 views
0 votes
0 answers

How to manage two JRadioButtons in java so that only one of them can be selected at a time?

How to manage two JRadioButtons in java ...READ MORE

Apr 21, 2020 in Java by kartik
 • 37,510 points • 484 views
0 votes
1 answer

How to call setUndecorated() after a frame is made visible?

Hello kartik, You can Try: dispose(); setUndecorated(true); setVisible(true); Check it Out. Hope ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 1,277 views
0 votes
1 answer

How to add tabs to JTabbedPane using WindowBuilder?

Hii, You can just find out by given ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 947 views
0 votes
1 answer

How to make JTable both AutoResize and horizontall scrollable?

Hello @kartik, If for some reason customising JTable ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 1,279 views
0 votes
1 answer

How to add action listener that listens to multiple buttons?

Hii, modified form of the source based on ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 8,108 views
0 votes
1 answer

How could I implement autocompletion using Swing?

Hello, You can try out this: import java.awt.*; import java.awt.event.*; import ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 387 views
0 votes
1 answer

How to implement draggable tab using Java Swing?

Hello kartik, setAcceptor(TabAcceptor a_acceptor) should let the consumer code ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 954 views
0 votes
1 answer

How to open warning/information/error dialog in swing?

Hello, You can try out : import javax.swing.JFrame; import javax.swing.JOptionPane; public ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 1,262 views
0 votes
1 answer

How to set AUTO-SCROLLING of JTextArea in Java GUI?

Hii kartik, When you click anywhere over JTextArea, ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 2,023 views
0 votes
1 answer

How can I set JFrame to appear centered, regardless of monitor resolution?

Hello @kartik, Use setLocationRelativeTo(null) This method has a special effect ...READ MORE

Apr 21, 2020 in Java by Niroj
 • 82,880 points • 1,352 views
0 votes
1 answer

What is definition of an invalid literal?

Hi, @ Stephen, I will explain to you ...READ MORE

Apr 20, 2020 in Java by Gitika
 • 65,910 points • 1,914 views
0 votes
1 answer

'javac' is not recognized as an internal or external command, operable program or batch file.

Hey @Paridhi, check this out https://www.edureka.co/community/4800/unable-resolve-error-recognized-internal-external-command This should solve ...READ MORE

Apr 20, 2020 in Java by Sirajul
 • 59,230 points • 1,537 views
+4 votes
0 answers

How to Download the Certificate for completion?

How Can I download the the Course ...READ MORE

Apr 17, 2020 in Java by Ajaaypranav
 • 180 points • 5,366 views
0 votes
0 answers

HOw can i do this?

The department of History has just bought ...READ MORE

Apr 16, 2020 in Java by MIH
 • 150 points • 431 views
–1 vote
0 answers

Write a program that uses a while loop to read 10 integer numbers from file

Write a program that uses a while ...READ MORE

Apr 16, 2020 in Java by MIH
 • 150 points • 1,903 views
0 votes
2 answers

How to generate a class at runtime?

Yes, I recently met this library which ...READ MORE

Apr 15, 2020 in Java by Edureka
 • 520 points • 17,215 views
0 votes
0 answers

how to send a pdf file as a response to frontend?

when a user upload a file to ...READ MORE

Apr 11, 2020 in Java by Abhishek
 • 120 points • 2,902 views
0 votes
2 answers

How to convert InputStream to byte array in Java?

The class IOUtils, lib: https://mvnrepository.com/artifact/com ...READ MORE

Sep 24, 2020 in Java by Anthony
 • 14,785 views
0 votes
1 answer

How to run a Java program from the command line on Windows?

Hello @kartik, In case your Java class is ...READ MORE

Apr 9, 2020 in Java by Niroj
 • 82,880 points • 697 views
0 votes
1 answer

Error: Unable to run mksdcard SDK tool in java?

Hello, If you use  Ubuntu, you can try: sudo apt-get ...READ MORE

Apr 9, 2020 in Java by Niroj
 • 82,880 points • 569 views
0 votes
1 answer

How can we activate JMX on my JVM for access with jconsole?

Hello @kartik, Run your java application with the ...READ MORE

Apr 9, 2020 in Java by Niroj
 • 82,880 points • 1,105 views
0 votes
1 answer

Error:“java.lang.OutOfMemoryError: Java heap space” ?

Hii, Possible causes: Simple configuration issue, where the specified ...READ MORE

Apr 8, 2020 in Java by Niroj
 • 82,880 points • 938 views
0 votes
1 answer

JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instantiate from JSON object?

Hello @kartik, his happens for these reasons: your inner ...READ MORE

Apr 8, 2020 in Java by Niroj
 • 82,880 points • 14,796 views
0 votes
1 answer

How to pass an object from one activity to another on Android?

Hello @kartik, Implement your class with Serializable. Let's ...READ MORE

Apr 8, 2020 in Java by Niroj
 • 82,880 points • 612 views
0 votes
1 answer

What is the reason for no ConcurrentHashSet against ConcurrentHashMap?

Hello, There's no built in type for ConcurrentHashSet because you ...READ MORE

Apr 8, 2020 in Java by Niroj
 • 82,880 points • 1,106 views
0 votes
1 answer

Convert data in List<JsonNode> to Map <String,String> in Java

Hi, @Jyra, Basically, you can use the object mapper to ...READ MORE

Apr 7, 2020 in Java by Gitika
 • 65,910 points • 21,011 views
0 votes
1 answer

how to get latest modified object or folder in s3 bucket in java.

Here's what you could probably try: List all ...READ MORE

Apr 6, 2020 in Java by Liana
 • 8,095 views
0 votes
0 answers

If statement not working in AWS Lamnda - S3Event code

Hi, I am using below  lambda function with ...READ MORE

Apr 4, 2020 in Java by Abhishek
 • 280 points • 637 views
0 votes
1 answer

java path not found in window 7

Hey, You can follow these few steps: From the ...READ MORE

Apr 3, 2020 in Java by Gitika
 • 65,910 points • 925 views
0 votes
1 answer

how to do global variable declaration in java

Hello,​ Global varriable which is defined after the ...READ MORE

Apr 3, 2020 in Java by Niroj
 • 82,880 points • 483 views
0 votes
0 answers

Where exactly in the variable file path will I paste the javac file path?

I wrongly placed the javac file in ...READ MORE

Apr 2, 2020 in Java by anonymous
 • 120 points • 564 views
0 votes
1 answer

How to automatically deploy a jar from s3 to aws lambda?

You could probably create a lambda function ...READ MORE

Apr 2, 2020 in Java by Jake
 • 4,121 views
+1 vote
1 answer

How to get Alias name of AWS Lambda function from java code?

Hey @Abhishek, you could probably use the ...READ MORE

Apr 1, 2020 in Java by Sirajul
 • 59,230 points • 1,793 views
0 votes
0 answers

Sir i already add the connector jar file to the EClipse IDE but still getting the error that driver not found my mysql service is already running on port 3306

READ MORE

Apr 1, 2020 in Java by GB
 • 120 points • 877 views
+1 vote
1 answer

How to generate a class at runtime in Java?

Yes: you can do it with Burningwave ...READ MORE

Mar 16, 2020 in Java by Roberto
 • 460 points
edited Apr 14, 2020 by Roberto • 1,007 views
0 votes
1 answer

What is Modeshape. How can i use this?

ModeShape is an open-source implementation of the JSR-283 specification and ...READ MORE

Mar 30, 2020 in Java by Gitika
 • 65,910 points • 831 views
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