Strings Manipulation

String Manipulation

• Refers to the process of changing, analyzing, or working with strings (text) to achieve a desired outcome.

• It involves performing operations such as creating, modifying, comparing, extracting, and formatting strings.

String Concatenation

The process of joining two or more strings together to form a single string.

toUpperCase(), toLoweraCase()

Converts the text to Upper and Lower Cases text

length()

Finding the length of a string

Scanner

Used to get user input, and it is found in the java.util package

BufferReader

A public Java class that reads text, using buffering to enable large reads at a time for efficiency, storing what is not needed immediately in memory for later use

read()

Reads a single character from the internal buffer of the reader

read(char[] array)

Reads the characters from the reader and stores in the
specified array

read(char[] array, int start, int length)

reads the number of characters equal to length from the reader and stores in the specified array starting from the position start

charAt(index)

Get character at a specific position

substring (start, end)

Extract part of a string

indexOf(), contains()

Find occurrence of a substring

replace(), replaceAll()

Replace parts of string

split(delimiter)

Divide string into parts by delimiter

equals(), compareTo()

Check if strings are equal or compare

concat()

The _______ method in Java is used to concatenate two strings.