In the last example, we learned how to [convert Date to String in Java](/community/tutorials/convert-string-date-java). In this example, I am converting a Java Date object from one timezone to another. We will use [SimpleDateFormat](/community/tutorials/java-simpledateformat-java-date-format) class to format the Date in a specific format and we will set its timezone to print the date in a specific […]
URL: https://www.progressiverobot.com/pyramid-pattern-programs-in-java/ Pattern programs are used a lot in interviews to understand the logical thinking abilities of the interviewee. Pyramid patterns are very popular and once we get the logic on the way it's created, writing code to achieve the same is an easy task. Pyramid Pattern Programs in Java !Pyramid Pattern Programs in Java […]
Learn how to use the Java substring method. Explore syntax, practical examples, and common errors to handle substrings effectively.
Apache Kafka is a popular distributed message broker designed to handle large volumes of real-time data efficiently. A Kafka cluster is not only highly scalable and fault-tolerant, but it also has a much higher throughput compared to other message brokers such as ActiveMQ and RabbitMQ. Though it is generally used as a pub/sub messaging system, a lot of organizations also use it for log aggregation because it offers persistent storage for published messages.
Java is a statically typed programming language. This means that when you create a variable, you must also specify its data type, which is the type of information it stores. Java has two data types: primitive and reference (also known as non-primitive). In this tutorial, you will use [variables](https://en.wikipedia.org/wiki/Variable_(computer_science)) to store and use information in a Java program to learn about some of the commonly used data types in Java.
URL: https://www.progressiverobot.com/java-listiterator/ As we know Java has four cursors: Enumeration, Iterator, ListIterator, and Spliterator. We have already discussed Enumeration and Iterator cursors in my previous post. Before going through this post, please go through my previous post at: [Java Iterator](/community/tutorials/java-iterator). In this post, we will discuss about third Java cursor: ListIterator. Java ListIterator Like Iterator, […]
URL: https://www.progressiverobot.com/java-threadlocal-example/ Java ThreadLocal is used to create thread local variables. We know that all threads of an Object share it's variables, so the variable is not thread safe. We can use synchronization for thread safety but if we want to avoid synchronization, we can use ThreadLocal variables. Java ThreadLocal  Every thread […]
URL: https://www.progressiverobot.com/java-windows-10-download-install/ Today we will learn how to download and install Java on Windows 10. If you are new to Java programming then this is the first step you need to perform. Until unless your java Windows 10 environment is set up properly, you will not be able to develop Java programs and run them […]
URL: https://www.progressiverobot.com/mockito-verify/ Mockito Verify methods are used to check that certain behavior happened. We can use Mockito verify methods at the end of the testing method code to make sure that specified methods are called. Mockito Verify Mockito verify() method can be used to test number of method invocations too. We can test exact number […]
Learn about Java’s `java.util.List` interface! Discover how it allows you to group and store multiple elements in a collection, and its advanced options for storing and retrieving values.
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