Arrays in Java

In Java, an array is an object that stores a fixed-size collection of elements of the same type. Arrays are one of the most commonly used data structures in Java,…

Strings in Java

In Java, a String is an object that represents a sequence of characters. It is one of the most commonly used data types in Java and is used to store…

StringJoiner in Java

StringJoiner is a class introduced in Java 8 that provides an easy and efficient way to concatenate a sequence of strings with a delimiter. It is a useful tool when…

StringTokenizer in Java

In Java, StringTokenizer is a class that is used for breaking down a string into smaller parts or tokens. This is done by specifying a set of delimiter characters that…

StringBuilder in Java

In Java, the StringBuilder class is used to create and manipulate mutable strings. Like the StringBuffer class, it allows you to modify the contents of a string without creating a…

StringBuffer in Java

In Java, the StringBuffer class is used to create and manipulate mutable strings. Unlike the String class, which creates immutable strings, the StringBuffer class allows you to modify the contents…

New Date-Time API in Java 8

Java 8 introduced a new Date-Time API that replaces the old java.util.Date and java.util.Calendar classes, which were known to be flawed and difficult to work with. The new Date-Time API…