/** This class shows off how confusing variables can be. */
public class Demo {

    private int var; // Field named duh.
    
    /** Constructor: instance with var of 1 */
    public Demo() {
        var = 0;
    }
    
    /** 
     * Yields: a mysterious value 
     * Looks like both a procedure and function.
     * Call this a function with "side-effects"
     */
    public int getSetWTF(boolean flag) {
        if (flag) {
            int var;
            var = 1;
        } else {
            var = 2;
        }
     
        return var;
    }
 }