[Types and Variables-Solidity]#variables #solidity

Types&VariablesSolidity.sol

// JS is an untyped language
var a = 1;
var b = "Hello";
var c = false;
var d = 2.5;


// Solidity uses a typed language
int a = -1; // int means "signed integer It can be positive and negative nb
uint aa = 2; //uint means "unsigned "integer" can only nb >= 0 
string b = "hello";
bool c = false; 
address d = 0x5B38Da6a701c568545dCfcB03FcB875f56beddC4