String

String Functions in Java


Common string functions:

    
toLowerCase() : Converts a string to lowercase.
    
toUpperCase() : Converts a string to uppercase.
    
length() : Returns the length of a string.
    
indexOf() : Finds the position of the first occurrence of a substring.
    
concat() : Concatenates two strings.



Escape Characters in Java

Common escape characters:

    
\' : Single quote.
    
\" : Double quote.
    
\\ : Backslash.
    
\n : New Line.
    
\t : Tab.
    
\b : Backspace.


   Program



   Input:



   // Java program demonstrating string functions and escape characters
   public class StringFunctionsExample {
       public static void main(String[] args) {
           String str = "Hello World";

           // String Functions
           System.out.println("Original string: " + str);
           System.out.println("Lowercase: " + str.toLowerCase());
           System.out.println("Uppercase: " + str.toUpperCase());
           System.out.println("Length: " + str.length());
           System.out.println("Position of 'World': " + str.indexOf("World"));

           String str2 = " Goodbye";
           System.out.println("Concatenated string: " + str.concat(str2));
 
           // Escape Characters
           System.out.println("He said, \"Hello!\"");
           System.out.println("I\'m here");
           System.out.println("This is a new line\nAnd this is another line");
       }
   }


   OUTPUT