Welcome! In today's lesson, we're delving into String Formatting in Java, an essential feature for presenting data in a neat manner. We'll be exploring the intricate details of format strings, as well as methods such as printf
and String.format
. Ready? Let's get started!
Our journey begins with understanding the concept of String formatting. This concept reshapes the way we view a string. In Java, it's somewhat akin to enhancing the appearance of existing data. Specifically, format strings are tools we use to 'dress up' our data. These strings employ a delimiter %
, along with flags, width, and precision specifications to format the data. A simple example can illustrate this concept quite well:
In this instance, we used %s
- a placeholder for a string - that gets replaced by the string Tom
.
The other available options include:
%d
- integer number%f
- float number
