Primitive data types

// string
let fullname:string = "Su Su"; 
console.log(fullname);

// number
let age:number = 25;
console.log(age);

// boolean
let hascar:boolean = true;
console.log(hascar);
hascar = false; 
console.log(hascar);

// Any types 
let studentid;
studentid = 1001; 
studentid = "1002";
console.log(studentid);