diferentes tipos de variables en Java
// String - stores text, such as "Hello". String values are surrounded by double quotes
String str = "Hello";
// int - stores integers (whole numbers), without decimals, such as 123 or -123
int nbr = 0;
// float - stores floating point numbers, with decimals, such as 19.99 or -19.99
float pie = 3.141592;
// char - stores single characters, such as 'a' or 'B'. Char values are surrounded by single quotes
char letter = "A";
// boolean - stores values with two states: true or false
boolean checker = true;
JC
