Latest questions in Java

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1 answer

window.onload vs document.onload

For the window.onload by default, it fires ...READ MORE

Feb 9, 2022 in Java by Rahul
 • 9,670 points • 356 views
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1 answer

window.location.href and window.open () methods in JavaScript

To answer your question, first of all, ...READ MORE

Feb 9, 2022 in Java by Rahul
 • 9,670 points • 10,819 views
0 votes
1 answer

How to split a string in Java

By using the appropriate method, this can ...READ MORE

Feb 9, 2022 in Java by Rahul
 • 9,670 points
edited Jul 6, 2023 by Khan Sarfaraz • 524 views
0 votes
1 answer

Using setTimeout to delay timing of jQuery actions

To answer your question, the .html() only ...READ MORE

Feb 9, 2022 in Java by Rahul
 • 9,670 points • 1,636 views
0 votes
0 answers

jQuery.click() vs onClick

I have a huge jQuery application, and ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 511 views
0 votes
0 answers

For-each over an array in JavaScript

How can I loop through all the ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 215 views
0 votes
1 answer

jQuery AJAX submit form

There is a simple input mentioned below ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 1,288 views
0 votes
0 answers

How do I declare and initialize an array in Java?

How do I declare and initialize an ...READ MORE

Feb 8, 2022 in Java by Edureka
 • 120 points • 278 views
0 votes
1 answer

How do I efficiently iterate over each entry in a Java Map?

To answer your questions, use the following ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 418 views
0 votes
1 answer

Reverse a string in Java

To answer your question, you can use ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 390 views
0 votes
1 answer

Render HTML to an image

To answer your question, there are a ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 1,554 views
0 votes
1 answer

java.lang.classnotfoundexception: com.mysql.jdbc.driver

I assume that your mysql connectivity library ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 7,180 views
0 votes
1 answer

no 'access-control-allow-origin' header is present on the requested resource

The java <class-name> command syntax is one ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 491 views
0 votes
1 answer

What are the -Xms and -Xmx parameters when starting JVM?

The XMX parameter helps in signifying and ...READ MORE

Feb 8, 2022 in Java by Soham
 • 9,700 points • 6,658 views
0 votes
1 answer

Uncaught referenceerror: $ is not defined

The references must be aligned or put ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 2,195 views
0 votes
1 answer

could not find module "@angular-devkit/build-angular"

The mode must be changed to Dev ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 5,811 views
0 votes
1 answer

Failed to load resource: the server responded with a status of 404 (not found)

In order to avoid an error while ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 1,780 views
0 votes
1 answer

No compiler is provided in this environment. perhaps you are running on a jre rather than a jdk?

Once you are on your Eclipse integrated ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 7,308 views
0 votes
1 answer

What does "javascript:void(0)" mean?

The href of the link helps with ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 681 views
0 votes
1 answer

JSON formatter in C#?

 In order to do the needful, one ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 2,016 views
0 votes
1 answer

Problem with gif with transparent background

In this case, I have noticed that ...READ MORE

Feb 8, 2022 in Java by Rahul
 • 9,670 points • 638 views
0 votes
1 answer

Does Java have a "IN" operator or function like SQL? [duplicate]

The Java language is designed to be ...READ MORE

Feb 2, 2022 in Java by Vaani
 • 7,020 points
edited Jun 22, 2023 by Khan Sarfaraz • 4,066 views
0 votes
0 answers

Javac file not found error.

I'm completely new to java. I spent ...READ MORE

Nov 21, 2021 in Java by anonymous
 • 120 points • 446 views
0 votes
0 answers

how to compare two strings in java?

how to compare two strings in java? READ MORE

Nov 16, 2021 in Java by Naresh
 • 210 points • 441 views
0 votes
1 answer

Testing question and answer

Testing question and answer. READ MORE

Nov 16, 2021 in Java by anonymous
 • 300 points • 283 views
0 votes
0 answers

how to find lenght of string in java ?

java READ MORE

Nov 12, 2021 in Java by anonymous
 • 210 points • 360 views
0 votes
0 answers

Exception in thread "main" java.lang.NoClassDefFoundError: org/openqa/selenium/HasAuthentication

Exception in thread "main" java.lang.NoClassDefFoundError: org/openqa/selenium/HasAuthentication at java.base/java.lang.ClassLoader.defineClass1(Native ...READ MORE

Oct 22, 2021 in Java by anonymous
 • 120 points • 1,506 views
+1 vote
0 answers

What happens when we pass one invalid argument and valid argument to mvn command? Eg mvn clean -DskipTests -DNgbuild where -DNgbuild is invalid argument and -DskipTests is valid argument

I execute a command "Mvn clean -DskipTests ...READ MORE

Oct 11, 2021 in Java by anonymous
 • 130 points • 361 views
0 votes
1 answer

How do I check if a string contains a substring in Java?

Hi@akhtar, The first and foremost way to check ...READ MORE

Dec 30, 2020 in Java by MD
 • 95,440 points
edited Jul 5, 2023 by Khan Sarfaraz • 51,346 views
0 votes
1 answer

How to convert Java String into byte[]?

The object your method decompressGZIP() needs is a byte[]. So the ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 1,274 views
0 votes
1 answer

How to install the JDK on Ubuntu Linux?

Open Terminal from Application Dash or press Ctrl+Alt+T Update repository: sudo add-apt-repository ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 600 views
0 votes
1 answer

How do I count the number of occurrences of a char in a String?

My 'idiomatic one-liner' for this is: int count ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 1,806 views
0 votes
1 answer

Unsupported major.minor version 52.0

The issue is because of a Java ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 6,132 views
0 votes
1 answer

SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”

I had the same issue with WebSphere ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 25,149 views
0 votes
1 answer

How to read all files in a folder from Java?

public void listFilesForFolder(final File folder) { ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 1,935 views
0 votes
1 answer

How to append text to an existing file in Java?

Java 7+ If you just need to do ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points
edited Jul 6, 2023 by Khan Sarfaraz • 963 views
0 votes
1 answer

Removing whitespace from strings in Java

st.replaceAll("\\s+","") removes all whitespaces and non-visible characters (e.g., ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 4,890 views
0 votes
1 answer

How do I save a String to a text file using Java?

If you're simply outputting text, rather than ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points
edited Jul 6, 2023 by Khan Sarfaraz • 1,789 views
0 votes
1 answer

How to convert a Set to List in Java?

Hi@MD, The most straightforward way to convert a ...READ MORE

Dec 30, 2020 in Java by akhtar
 • 38,230 points
edited Jun 22, 2023 by Khan Sarfaraz • 405 views
0 votes
1 answer

How to get the current date/time in Java?

It depends on what form of date/time ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 946 views
0 votes
1 answer

Implements vs extends: When to use? What's the difference?

Extends is for extending a class. implements are for implementing an interface The difference between ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 1,549 views
0 votes
1 answer

How do I convert from int to String?

Normal ways would be Integer.toString(i) or String.valueOf(i). The concatenation will work, ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 463 views
0 votes
1 answer

How do I join two lists in Java?

In Java 8: List<String> newList = Stream.concat(listOne.stream(), listTwo.stream()) ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points • 346 views
0 votes
1 answer

How do I copy an object in Java?

Create a copy constructor: class DummyBean { ...READ MORE

Dec 30, 2020 in Java by Gitika
 • 65,910 points
edited Jul 4, 2023 by Khan Sarfaraz • 423 views
0 votes
1 answer

How to remove the last character from a string?

Hi@akhtar, You can use the StringBuffer class. It provides ...READ MORE

Dec 30, 2020 in Java by MD
 • 95,440 points • 494 views
0 votes
2 answers

Reading a plain text file in Java

Read a plain text file: Java Code: import java.io.BufferedReader; import ...READ MORE

Dec 29, 2020 in Java by Nikita
 • 1,196 views
0 votes
2 answers

When to use static methods

Java main() method is always static, so that compiler ...READ MORE

Dec 29, 2020 in Java by Reshma
 • 755 views
0 votes
3 answers

How to check if a String is numeric in Java?

Check if a string is numeric public class ...READ MORE

Dec 29, 2020 in Java by Carlos
 • 2,281 views
0 votes
2 answers

Java string to date conversion

We can convert String to Date in java using parse() method ...READ MORE

Dec 29, 2020 in Java by Nikita
 • 991 views
0 votes
4 answers

How do I check if a file exists in Java?

To test to see if a file ...READ MORE

Dec 29, 2020 in Java by Rajiv
 • 8,910 points • 59,293 views
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