`java.time.LocalTime` is a class in the Java programming language that represents a time without a date or time zone. It is part of the java.time package, introduced in Java 8, and is used to handle time-related data more effectively. This class allows you to work with hours, minutes, seconds, and nanoseconds, making it useful for applications that require precise time management. You can create a `LocalTime` instance using various methods, such as `now()` to get the current time or `of(int hour, int minute)` to specify a particular time. The class also provides methods for comparison, formatting, and manipulation, making it a versatile tool for developers working with time in their applications.