Most answered questions in Java

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Error:java.lang.OutOfMemoryError: Java heap space in Maven

Hello @kartik, Here is the whole config that ...READ MORE

Jun 3, 2020 in Java by Niroj
 • 82,880 points • 12,134 views
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1 answer

Error:“java.lang.OutOfMemoryError: PermGen space” in Maven build

Hello @kartik, When you increased MAVEN_OPTS, you increase the MaxPermSize, ...READ MORE

Jun 3, 2020 in Java by Niroj
 • 82,880 points • 1,440 views
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1 answer

Error:The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path

Hello @kartik, Include servlet-api-3.1.jar in your dependencies. Maven <dependency> ...READ MORE

Jun 3, 2020 in Java by Niroj
 • 82,880 points • 3,866 views
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1 answer

How to configure encoding in Maven?

Hello @kartik, I use some reporting plugins. In ...READ MORE

Jun 3, 2020 in Java by Niroj
 • 82,880 points • 5,609 views
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1 answer

Can edureka has portals to teach ?

Hi, @Dhanush, Regarding your query, I would suggest you ...READ MORE

Jun 2, 2020 in Java by Gitika
 • 65,910 points • 558 views
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1 answer

Error: setOnItemClickListener cannot be used with a spinner

Hello @kartik, See the first line of your ...READ MORE

Jun 1, 2020 in Java by Niroj
 • 82,880 points • 2,857 views
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1 answer

Error: 'android.os.NetworkOnMainThreadException'?

Hello, I solved this problem using a new Thread. Thread ...READ MORE

May 28, 2020 in Java by Niroj
 • 82,880 points • 1,593 views
0 votes
1 answer

How to get the current working directory in Java?

Hello, Using java.nio.file.Path and java.nio.file.Paths, you can do the following to ...READ MORE

May 28, 2020 in Java by Niroj
 • 82,880 points • 3,364 views
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1 answer

How can I create an executable JAR with dependencies using Maven?

Hello @kartik, You can use the dependency-plugin to ...READ MORE

May 28, 2020 in Java by Niroj
 • 82,880 points • 5,643 views
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1 answer

What is a serialVersionUID and why should we use it?

Hello @kartik, SerialVersionUID is a unique identifier for each ...READ MORE

May 28, 2020 in Java by Niroj
 • 82,880 points • 10,584 views
0 votes
1 answer

Gradle - Error Could not find method implementation() for arguments

Hello @kartik, Make sure your gradle version 3.. or ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 20,230 views
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1 answer

How to parse JSON Array in Android?

Hello @kartik, use the following snippet to parse ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 7,417 views
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1 answer

How can one detect airplane mode on Android?

Hello, When registering the Airplane Mode BroadcastReceiver (@saxos answer) I ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 1,137 views
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1 answer

IllegalArgumentException: navigation destination xxx is unknown to this NavController

Hello @kartik, Check currentDestination before calling navigate might be helpful. For ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 9,163 views
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1 answer

How to import android project as library and NOT compile it as apk?

Hello, In projLib's build.gradle file, you'll see a statement ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 1,344 views
0 votes
1 answer

How to get a context in a recycler view adapter?

Hii, You can add global variable: private Context context; then ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 8,719 views
0 votes
1 answer

Error: getExtractedText on inactive InputConnection warning on android

Hello @kartik, The warning appeared when the soft ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 4,923 views
0 votes
1 answer

What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?

Hii @kartik, As always with Android there's lots ...READ MORE

May 26, 2020 in Java by Niroj
 • 82,880 points • 3,200 views
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1 answer

Error:Unable to execute dex: Multiple dex files define

Hello @kartik, The Solution for me was just ...READ MORE

May 25, 2020 in Java by Niroj
 • 82,880 points • 1,573 views
0 votes
1 answer

How to unzip files programmatically in Android?

Hello @kartik, This is my unzip method, which ...READ MORE

May 25, 2020 in Java by Niroj
 • 82,880 points • 5,844 views
0 votes
1 answer

How to launch Google Maps Directions via an intent on Android?

Hello @kartik, If you are interested in showing the ...READ MORE

May 25, 2020 in Java by Niroj
 • 82,880 points • 7,980 views
0 votes
1 answer

How to make an Android device vibrate?

Hello @kartik, Try: import android.os.Vibrator; Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE); // ...READ MORE

May 25, 2020 in Java by Niroj
 • 82,880 points • 448 views
0 votes
1 answer

Error:Android SDK installation doesn't find JDK

Hii @kartik, It appears as if whoever posted ...READ MORE

May 25, 2020 in Java by Niroj
 • 82,880 points • 1,580 views
0 votes
1 answer

How to use proper use cases for Android UserManager.isUserAGoat()?

Hello @kartik, From their source, the method used to ...READ MORE

May 25, 2020 in Java by Niroj
 • 82,880 points • 611 views
0 votes
1 answer

How to set base url for rest in spring boot?

Hello @kartik, Set it up in your application.yml ...READ MORE

May 22, 2020 in Java by Niroj
 • 82,880 points • 13,862 views
0 votes
1 answer

How to redirect to an external URL from controller action in Spring MVC?

Hello @kartik, You can do it with two ...READ MORE

May 22, 2020 in Java by Niroj
 • 82,880 points
edited Mar 4, 2022 by Sarfaraz • 25,339 views
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1 answer

Error:No EntityManager with actual transaction available for current thread - cannot reliably process 'persist' call

Hii @kartik, If you have @Transactional // Spring Transactional class ...READ MORE

May 22, 2020 in Java by Niroj
 • 82,880 points • 44,035 views
0 votes
1 answer

How to configure port for a Spring Boot application?

Hello @kartik, You can set port in java ...READ MORE

May 22, 2020 in Java by Niroj
 • 82,880 points • 2,612 views
0 votes
1 answer

How to determine programmatically the current active profile using Spring boot ?

Hello, It doesn't matter is your app Boot ...READ MORE

May 21, 2020 in Java by Niroj
 • 82,880 points
edited Mar 4, 2022 by Sarfaraz • 7,358 views
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1 answer

Error: Could not create the Java Virtual Machine Mac OSX Mavericks

Hello @kartik, Normally this error occurs when you ...READ MORE

May 21, 2020 in Java by Niroj
 • 82,880 points • 6,608 views
0 votes
1 answer

Error:javax.net.ssl.SSLHandshakeException Error?

Hello @kartik, First, you need to obtain the ...READ MORE

May 21, 2020 in Java by Niroj
 • 82,880 points • 1,775 views
0 votes
1 answer

How to convert .imm imacro file to php/java to run on web hosting

Hello, You can try the sample code below: iimPlay("Test.iim") When ...READ MORE

May 13, 2020 in Java by Niroj
 • 82,880 points • 2,346 views
0 votes
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 • 3,507 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 • 1,367 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 • 3,735 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 • 2,153 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 • 855 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 • 453 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 • 12,059 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 • 2,104 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 • 529 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 • 647 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 • 1,262 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 • 943 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 • 1,262 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 • 8,094 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 • 378 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 • 946 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 • 1,252 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 • 1,999 views
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