Topic: java - Page 2

Java

Spring Boot Starter Data MongoDB Example

In this tutorial, we take a look at an example of Spring Boot Starter Data MongoDB.

Java

Ways to execute Shell Commands in Java Code Examples

Let us take a look at some ways to execute Shell Commands in Java with examples.1

Java

Java: Convert a Text file into Array of Bytes Example

How to convert Convert a Text file into Array of Bytes example in Java Programming.

Java

How to get file path of a file using Java Code?

Let us take a look at how to make use of the getAbsolutePath() method from the File or Paths class with examples.

Java

Know the Current Project/Module Classpath using Java Code

Let us take a look at how to know the Current Project/Module Classpath using Java Code.

Java

Converting Array into ArrayList - Java

We take a look at ways of converting array into ArrayList in Java Programming.

Java

Read/Write Java Object to a File

Making use of object serialization and deserialization to read and write Java object to a file.

Java

Check if a Java String is Numeric or Alphanumeric

We can make use of regular expressions to know if a string is numeric or alphanumeric in Java.

Java

Using Java JDK 22 with IntelliJ IDE

I will be showing how to make Java JDK 22 with IntelliJ IDE in this article with steps.

Java

java.util.Optional Class Deep Dive Tutorial

Let us take a deep dive in the java.util package Optional class in Java.

Java

When to use of() and ofNullable() methods of Optional in Java?

We answer when to make use of () and ofNullable() methods of Optional in Java.

Java

How to create an Optional from existing Object in Java?

Let us take a look at how we can create an Optional from an existing Object in Java.

Java

Java Program: Convert String to Double

Write a Java program to convert a String to Double.

Java

Java Stream Convert List of Objects to List of Strings

Let us take a look at an example of how to convert a list of objects to a list of strings using Streams.

Java

How to check if Java String is Empty or Null

Let us take a look at how to check if a String in Java is Empty or Null.