Java's Matcher is the engine that performs match operations on a character sequence by interpreting a Pattern (Regular Expression). This class has two ...

I'm trying to create a program for a competition using java where every participant gets 3 tries and the final result is the addition of all of those ...

I am working on building a music.player and have my music-library stored in a HashMap. The User shall be able to add and delete songs. I want to save ...

I've developed a simple java application compiled with java version 13, but as I know, aws lambda support only java 8 and java 11. Is there any solut ...

Trying to understand switch expression and came up with the following code. In fact I get "not a statement" error for all "break - String" combination ...

I want to use above code without comment ...

I'm using Maven in Eclipse and i want to run my project with Java13. Every time i build my project i get the following error message: I've configur ...

can anyone throw some light on why is removeRange(int fromIndex, int toIndex) in Java Vector is protected? Syntax - protected synchronized void remov ...

I am relatively new to Eclipse, I am an IntelliJ guy :) So to practice, I have made a dummy Gradle project in Eclipse, and it is not even recognizing ...

I am new to java.I am learning a course in which they use java 8.It has applet class.But I have java13. the project is about unfolding map constructor ...

I am trying to export a runnable .jar file however I am faced with the following problems: "VM arguments will not be part of the runnable JAR. Argume ...

I'm trying to use XSL Version 2.0 with openJDK 13 & apache FOP. Despite having coded the following in the Stylesheet: ... ...is returning " ...

I'm generating javadoc of my Java project in Intellj IDEA, and I want it to link into the JDK's documentation. I'm generating the documentation using ...

Accidentally I have stumbled into a change in jdk-15 that I was not aware of. Suppose I have a very simple question: what is the size of an array of 3 ...

I downloaded elasticsearch 7.8.0 zip file and unzip that.Using command prompt when I go to bin directory using cd and then type elasticsearch.bat it g ...

I noticed a difference in the behaviour of the String.replace(CharSequence, CharSequence) between java 12 and 13. java 12 and earlier: java 13 and ...

I have made an a java app with JDK 13. I created a exe file with launch4j. But nobody can run it because everyone has the jre 1.8 version and it wont ...

We're processing JSON in our Scala program by executing dynamically generated JavaScript code. This worked fine in Java 8 when using the included Nash ...

I'm wanting to create a schedule that wraps around week by week. Because the schedule is the same from one week to the next, the only information I n ...

I'm starting a new Spring 5 project with Java 14. It compiled, but gave me a warning: Any ideas how to solve it? ...