Search:

Greetings, Java enthusiasts

I'm new to web programming using Java and have around 10% of knowledge, but I'm still lost, and I'm anxious to create a roadmap to lead me through this interesting...

Hello Java enthusiasts,

Today, we'll look at the core ideas of classes and objects in Java. We'll begin by looking at a code sample that shows the creation and use of classes and objects:


//...

Hi, I'm now working on a difficult problem involving multidimensional arrays in Java and am looking for advice from the experienced Java developers. The array operations are generating unexpected...

Write a Java function that determines if a given string is a palindrome. The function should return true if the input string is a palindrome and false otherwise. Palindromes are strings that read the...

I'm using Scaler online Java compiler for my project, and I'm encountering unexpected behavior in the execution of my code. Here's a simplified snippet:


import java.util.ArrayList;

public...

To make the Main.java code work with the Person class, you should define the Person class in a way that it has a method named helloWorld(). Here's how you can modify the Person class to meet this...

I'm learning C++ and trying to grasp control structures. I have an array of integers and I want to iterate through it using different control structures to achieve the same result. Here's my array:
...

I'm working on a Java application that involves file I/O, and I'm dealing with checked exceptions, specifically FileNotFoundException when attempting to read a file. I want to handle this exception...

I'm working on a JavaScript project where I have an array of objects, and I need to sort it based on multiple criteria. Each object represents a product and has properties like 'price', 'rating', and...

I'm encountering a NullPointerException in my Java code when trying to access the attributes of an object. I've created an instance of a class and assigned values to its attributes, but I'm still...

I need to activate Cross-Origin Resource Sharing (CORS) for my Java-based web application in order to accept queries from other domains. I'm taking Scaler's web development roadmap as a guide, but...

I'm using Postgres with a custom type extension (visible as Type.OTHER), and I want to be able to utilise the type without casting in native queries. My Java type is EmbVector, and my custom type is...

I'm not sure where the final keyword comes in handy when used on method arguments.

If we ignore the use of anonymous classes, readability, and intent statement, it appears nearly worthless to me....

I'd want to use Java 9's try-with-resources capability by putting a reference variable in try with resources rather than the variable's full declaration. I also realise that in order to do so, I must...

I'm using Netbeans 6.9.1 on Ubuntu 10.04 x86 64 to work with Threads in Java. I'm having trouble with the yield() function because when I use it, the current thread continues to run instead of...

I'm having a difficulty. I want to modify an attribute's data type from String to Array.

{
“id”: “trn:tarb:tradingpartner:uuid:00000464-fa72-49fe-b050-c4bf1cfd8259”,
“partnerNumber”:...

In Java, if I try to do.equals() on a null string, a null pointer error is issued. I’m wondering whether I can perform the following if I’m attempting to compare if a string is equal to a constant...

Because all subclasses would be required to implement the static method, they would all be fine when calling it. So, why isn't this a possibility? When the static members' initial values are not...

Jackson does not provide a tool for generating Jackson classes from XSD or JSON, as JAXB does for a specific XSD.

The JAXB class generator was used to generate a set of classes for the specified...

How can I write a program to implement a Stack using Array for this example:

Example:



Input:
push(2)
push(3)
pop()