// Marty Stepp
// CSE 142 Autumn 07
//
// This program prints some really useful expressions and variables.
public class Expressions {
    public static void main(String[] args) {
        int x;
        double y;
        
        x = 1 + 2;
        y = 3.0;
        
        // the line below would not compile
        // x = 3.5;
        
        System.out.println(x * 2 + 1);
        System.out.println(x + y);
    }
}