Java

It is the brief introduction about tha java language

Java is a robust, object-oriented programming language renowned for its "write once, run anywhere" capability through the Java Virtual Machine (JVM). Its platform independence, strong memory management, and extensive libraries make it a cornerstone for enterprise-level applications, Android development, and big data processing. Maintained by Oracle, Java continues to evolve with regular updates, maintaining its relevance in the modern software development landscape.

string is basically an object that represents sequence of char values. .String class implements Serializable, Comparable and CharSequence interfaces

.StringBuffer class is a thread-safe, mutable sequence of characters. It means two threads can't call the methods of StringBuffer simultaneously. StringBuffer() StringBuffer(CharSequence seq) StringBuffer(int capacity) StringBuffer(String str)

It's just for a programs in java

In this module, we were able to: • Implement String and StringBuffer class methods

all dept consert it was doing

A regular expression is a sequence of characters that forms a search pattern. Regular Expressions or Regex (in short) in Java is an API for defining String patterns that can be used for searching, manipulating, and editing a string in Java.  Email validation,passwords,phone number are a few areas of strings where Regex is widely used to define the constraints. Regular Expressions in Java are provided under  package.

this notes complete consert of operater in java course

This is very useful in students and java beginninners