FirstClass.java

/**
 * main
 */
public class FirstClass {

    public static void main(String[] args) {

        //variables
        String name = "tony stark";
        int age = 52;
        double price = 25.25;
        int a = 12;
        int b = 46;

        name = "iron man";
        age = 64;

        int sum = a + b;

        System.out.println(sum);
        
        System.out.println(name);
        
        System.out.println(age);


        System.out.print("HEllo");   /* output will be in the same line if we dont use ln or \n */
        System.out.println("HEllo");
        System.out.println("Hello World");
        System.out.println("*");
        System.out.print("**\n");
        System.out.println("***");
        System.out.println("****");
        System.out.print("   *\n  **\n ***\n****");
        System.out.print("***");
        System.out.print("****");

        


    }
}