DateFormat
References
Additional Java SE Packages
MessageFormat
The MessageFormat class in java.text package is used to produce concatenated messages that include dynamic values, such as numbers, dates, or strings, in a template format. Unlike string concatenation, MessageFormat is locale-sensitive and cleaner for formatting complex messages with placeholders. Key Features: Supports indexed placeholders like {0}, {1}, etc. Can format numbers, dates, and strings. …
ChoiceFormat
ChoiceFormat is a subclass of NumberFormat used to map numeric ranges to custom strings. It is ideal when a numeric value should be translated into a human-readable category, such as converting scores to grades, salary ranges to designations, or item quantities to messages like “few”, “many”, etc. Key Features Maps numerical ranges to specific strings. …
DecimalFormat
DecimalFormat belongs to the packagejava.text is a concrete subclass of NumberFormat that formats decimal numbers into strings and parses strings back into decimal numbers. It allows you to customize the format of numbers, such as specifying the number of decimal places, grouping separators (like commas), prefixes (like currency symbols), etc. Common Used Methods Simple Program …
Exploring java.text package
The java.text package in Java provides classes and interfaces that support text formatting and parsing, which are essential for handling and manipulating textual data in various ways. This package is particularly useful for internationalization, allowing Java applications to handle different locales and cultural norms effectively. Key Classes in java.text NumberFormat: This class provides methods for …
ChronoZonedDateTime
ChronoZonedDateTime is useful when dealing with non-ISO calendar systems (e.g., Japanese, ThaiBuddhist, Hijrah). It holds the complete date (calendar system), time, and time-zone in a way that’s suitable for internationalization. Common Used Methods Simple Program Problem Statement: LotusJavaPrince and Mahesh are developing a historical archive management system that stores date-time information from various cultural and …
ChronoLocalDateTime
ChronoLocalDateTime<D extends ChronoLocalDate> is a generic interface in the java.time.chrono package that represents a date-time object without a time-zone, intended to support non-ISO calendar systems. It is used for handling calendar systems like Hijrah, Japanese, Minguo, and Thai Buddhist, enabling globalized applications beyond the ISO calendar. Common used Methods Simple Program Using ChronoLocalDateTime (Japanese Calendar) …
ChronoLocalDate class
References
DateTimeFormatter
The DateTimeFormatter class is used to format and parse date-time objects in Java. It supports predefined standard formats, custom patterns, and locale-sensitive formatting, making it essential for applications involving date/time I/O. Commonly Used Methods Simple Program LotusJavaPrince and Mahesh are working on a global banking portal that formats user transaction timestamps according to different countries’ …