Category: dummyCategory

Learn to remove extra white spaces between words in a String in Java. Do not forget to check if string has leading or trailing spaces. Trim such Strings.

Confused about what’s going on with Jakarta EE? This interview series is meant to help you navigate through the changes. Our next guest is Sebastian Daschner

The title may be a bit vague, but here is what I have (in privatized code):A class with some fields, including a BigDecimal and Date:class MyObj{ private java.math.BigDecimal percentage; pr…

Java 8 StringJoiner example to join list or array of strings, primitives such as integers and longs. Use StringJoiner with delimiter, prefix and suffix.

JEP 12 [“Preview Language and VM Features”] is described on its main page as follows: A preview language or VM feature is a new feature o…

And so, finally, after eight long years, can this really be the end of the seemingly immortal court battle between Oracle and Google over those 37 Java APIs? The answer is … probably not.

Java program to convert error stack trace to String. StackTrace to String conversion may be useful to print stack trace in custom logs.

I’m new to Java, reading Oracle tutorial.After each section, there are questions and answers, and I don’t understand a sentence within one answer (see below bolded line).source is https://docs.o…

What is Thread Dump? The thread dump is a snapshot of exactly what’s executing at a moment in time in your Java Program. While the thread dump format and

Sometimes during my work, I need to integrate with other libraries which they return an Iterator object instead of a list. This is fine…

Learn to use AES 256 bit encryption to create secure passwords, and decryption for password validation.

I’ve been playing with a problem of moving all 0’s to end of Arrays in different interviews in various combinations. Sometimes I ask to move all 0 to

Master the Foundations of Java and the Topics of the Oracle Certified Associate, Java SE 8 Programmer Exam (1Z0-808)

Here is a simple principle for naming methods in OOP, which I’m trying to follow in my code: it’s a …