Master Java Strings for QA Engineers: A Practical Guide
.png)
String is a data type in Java which stores sequence of character enclosed by double quotes.. Whether it's verifying APIs, validating UI data, or database testing, QA engineers frequently work with strings. It is also one of the important topic which generally asked in interviews. Let's break it down step-by-step! ๐นWhat is a String in Java? A String is a sequence of characters enclosed within double quotes (""). Java provides a robust and flexible API for handling strings, allowing for various operations such as concatenation, comparison, and manipulation. In Java, String is a class present in the java.lang package. String str = "Hello World"; Internally, Java strings are backed by a character array ( char[] ). ๐นTypes of String Declaration There are two ways to create a string in Java ✅ 1. String Literal When a string is created using double quotes, Java checks the string pool first. If it already exists, it reuses the object. Str...