:: متغیرها و نوعها ::
int i = 12;
long i = 14l; // agar "L(l)" ro nazarid "int" dar naza migere
float i = 13.5f; // alamat float "f"
double d = 14.0d; // alamat double "d"
char i = ‘a’; // alamat char '…'
boolean i = true; // true,false
String i = “salam donya”; // data type nist. Alamat ham "…."