java基础应用

public class Variate{

        public static void main (string[] args){

        int x=100;

                System.out.println(x);

        double y=1.2;

                System.out.println(y);

        long z=300000000L;

                System.out.println(z);

        float o=1.26785F;

                System.out.println(0);

        int a=1,b=2,c=3;

                System.out.println(a);

                System.out.println(b);

                System.out.println(c);              

}

}