Explore multiplе mеthods for rounding up a numbеr to thе nеarеst multiplе of 5 in Java.
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Compare the Numbers of Different Types
Learn how to compare primitives and numbers of different classes, such as Integers, Longs, and Floats.
BigDecimal equals() vs. compareTo()
Explore the differences between BigDecimal equals() and compareTo() methods.
Reading a .gz File Line by Line Using GZIPInputStream
Sometimes, we need to read compressed .gz files in Java. Learn to use Java’s built in stream libraries to read from gzip format files.
Convert Infix to Postfix Expressions in Java
Explore infix, prefix, and postfix notations of mathematical expressions.
Validate if a String Is a Valid Geo Coordinate
A short guide on checking if a Java String is a valid Geo Coordinate.
Converting Integer to BigDecimal in Java
Explore several methods to convert from Integer to BigDecimal in Java.
Converting BigDecimal to Integer in Java
Learn how to convert Integer to BigDecimal in Java.
Check if a Point Is Between Two Points Drawn on a Straight Line in Java
Explore ways to determine whether a point lies between two other points on a straight line.
Print a Double Value Without Scientific Notation in Java
Explore multiple ways for avoiding scientific notation when printing double values in Java.
Check if a double Is an Integer in Java
Explore the various techniques available to check whether a double is, in fact, a mathematical integer.
Ensuring Message Ordering in Kafka: Strategies and Configurations
Learn how to ensure that messages are sent and received in the same order with Kafka.
Time Conversions Using TimeUnit
We look at how to use TimeUnit to convert durations between units and avoid creating our own hard-to-read math code.
Round the Date in Java
Learn how to round the date using the java.util.Date, as well as LocalDateTime and ZonedDateTime.
Introduction to LangChain
Learn how to work with large language models in Java with LangChain.
A Guide to RestClient in Spring Boot
A quick and practical guide to Spring Boot RestClient.
Truncate a Double to Two Decimal Places in Java
Learn to truncate a double to two decimal places in Java.
Finding the Square Root of a BigInteger in Java
Learn three approaches to calculating the square root of a big number in Java.
Java Double vs. BigDecimal
Compare Java’s Double to BigDecimal and learn about their differences.
Double Precision Issue in Java
Learn what the double precision issue is, how it affects code, and how to deal with it.