Can any one explain me about strings and booleans?

Question

in brief

Answer 1

String is text variable and boolean is logical variable.

Answer 2

There are two values in boolean, "true" and "false".
but in the case of String you can enter any thing as String(even numbers),example: String c= "Cool";
String c="5";

Answer 3

string is array of characters...
while boolean is data type which holds true or fase