8. String handling
String class, methods of String class, implementation of String class methods, String array.
The following String class methods are to be covered: String trim (), String toLowerCase(), String toUpperCase(), int length( ), char charAt (int n), int indexOf(char ch), int lastIndexOf(char ch), String concat(String str), boolean equals (String str), boolean equalsIgnoreCase(String str), int compareTo(String str), int compareToIgnoreCase(String str), String replace (char oldChar, char newChar), String substring (int beginIndex), String substring (int beginIndex, int endIndex), boolean startsWith(String str), boolean endsWith(String str), String valueOf(all types).
Programs based on the above methods, extracting and modifying characters of a string, alphabetical order of the strings in an array [Bubble and Selection sort techniques], searching for a string using linear search technique.