String Class and Character Class

String Method
+length(): int
+ concat(String) : String
+ equals(String) : boolean
+equalsIgnoreCase(String) : boolean
+ toUpperCase(): String
+toLowerCase(): String
+toTrim() : String
+indexOf(String) : int
+lastIndexOf(String) : int
+substring(int) : String
+substring(int , int) : String
+startWith(String) : boolean
+endWith(String) : Boolean
+contains(String) : Boolean
+split(String) : Array (String)
+charAt(int): char

Character Methods