String Handling

There are around 13 overloaded constructor inside String class

Java String

• String class
• String Literal and String constant pool concept

String Immutability

• Java – String is Immutable
• Java – How to construct an immutable class ?

String Operations

• Java – String comparison in 3 ways
• Java – String concatenation in 2 ways
• Java – Reverse a String contents in 4 ways
• Java – Split a String contents in 3 ways
• Java – Overriding toString() method to print values of ArrayList
• Java – How to left pad with zeroes to a String ?

String Methods

• String charAt(int index) method
• String compareTo(String anotherString) method
• String compareToIgnoreCase(String str) method
• String concat(String str) method
• String contains(CharSequence s) method
• String contentEquals(StringBuffer sb) method
• String copyValueOf(char[] data) method (2)
• String endsWith(String suffix) method
• String equals(Object anObject) method
• String equalsIgnoreCase(Object anObject) method
• String format(String format, Object… args) method
• String getBytes() method (4)
• String getChars() method
• String hashCode() method
• String indexOf() method (4)
• String intern() method
• String isEmpty() method
• String join() method (2)
• String lastIndexOf() method (4)
• String length() method
• String matches(String regex) method
• String regionMatches() method (2)
• String replace(char oldChar, char newChar) method
• String replace(CharSequence target, CharSequence replacement) method
• String replaceAll(String regex, String replacement) method
• String replaceFirst(String regex, String replacement) method
• String split(String regex) method
• String split(String regex, int limit) method
• String startsWith(String prefix) method
• String startsWith(String prefix, int toffset) method
• String subSequence(int beginIndex, int endIndex) method
• String substring(int beginIndex) method
• String substring(int beginIndex, int endIndex) method
• String toCharArray() method
• String toLowerCase() method (2)
• String toUpperCase() method (2)
• String toString() method
• String trim() method
• String valueOf() method (9)

StringBuffer Methods

• StringBuffer class
• StringBuffer append() method (13)
• StringBuffer capacity() method
• StringBuffer charAt(int index) method
• StringBuffer delete(int start, int end) method
• StringBuffer deleteCharAt(int index) method
• StringBuffer ensureCapacity(int minimumCapacity) method
• StringBuffer indexOf() method (2)
• StringBuffer insert() method (12)
• StringBuffer lastIndexOf() method (2)
• StringBuffer length() method
• StringBuffer replace(int start, int end, String str) method
• StringBuffer reverse() method
• StringBuffer substring(int start, int end) method

StringBuilder Methods

• StringBuilder class
• StringBuilder append() method (13)
• StringBuilder capacity() method
• StringBuilder charAt(int index) method
• StringBuilder delete(int start, int end) method
• StringBuilder deleteCharAt(int index) method
• StringBuilder ensureCapacity(int minimumCapacity) method
• StringBuilder indexOf() method (2)
• StringBuilder insert() method (12)
• StringBuilder lastIndexOf() method (2)
• StringBuilder length() method
• StringBuilder replace(int start, int end, String str) method
• StringBuilder reverse() method
• StringBuilder substring(int start, int end) method

StringBuffer & StringBuilder operations

• Java – How to clear or delete StringBuffer contents ?
• Java – How to append new line to StringBuffer ?
• Java – Difference between capacity() and length() methods of StringBuffer ?
• Java – Convert first character of every word to uppercase

String and StringBuffer Sorting

• Java – Sorting Collection of String, StringBuffer and StringBuilder

String Conversion

• Java – String to int conversion – 3 ways
• Java – Integer to String conversion – 6 ways
• Java – String to float conversion – 3 ways
• Java – Float to String conversion – 6 ways
• Java – String to double conversion – 3 ways
• Java – Double to String conversion – 6 ways
• Java – String to long conversion – 3 ways
• Java – Long to String conversion – 6 ways
• Java – String to boolean conversion – 3 ways
• Java – Boolean to String conversion – 6 ways
• Java – String to char conversion
• Java – Character to String conversion – 6 ways
• Java – String to char[] array conversion – 4 ways
• Java – Character[] array to String conversion – 5 ways
• Java – String to byte conversion – 3 ways
• Java – Byte to String conversion – 5 ways
• Java – String to byte[] array conversion
• Java – Byte[] array to String conversion
• Java – String to short conversion – 3 ways
• Java – Short to String conversion – 5 ways
• Java – StringBuffer to String conversion and vice-versa
• Java – StringBuilder to String conversion and vice-versa
• Java – String to Date conversion
• Java – Date to String conversion

String v/s StringBuffer v/s StringBuilder

• Java – String v/s StringBuffer
• Java – StringBuffer v/s StringBuilder
• Java – String v/s StringBuffer v/s StringBuilder

Split String using Delimiter

• Java – How to split String based on space & dot(.) as delimiter ?
• Java – How to split String using pipe(|) as delimiter ?

StringTokenizer

• Java – StringTokenizer class with example
• Java – Counting number of tokens using StringTokenizer
• Java – Reversing a String by word using StringTokenizer

String Counting

• Java – Count and print number of words and lines in a text file
• Java – Count and print number of repeated word occurrences in a String
• Java – Count and print number of repeated character occurrences in a String

String Miscellaneous

• Java – Remove duplicate characters from String in Java
• Java – How to UPPERCASE every duplicate character/occurrences in a String in Java
• Java – How to check whether 2 strings are Anagrams in Java ?
• Java – How to remove white-spaces in a String ?
• Java – How to swap 2 Strings without using Third variable ?
• Java – Count and print number of Vowels and Consonants in a String
• Java – Remove input-ted Character from a given String
• Java – How to check whether given String contains only Alphabets or Letters ?
• Java – How to check whether given String contains only Digits ?
• Java – How to check whether given String contains Alpha-numeric characters only ?

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