/**
 * Scope.java
 * Ying Li
 * 02/23/2020
 */

public class Scope {
    private static int stayWithMe = 0; // class variable, class scope  
    // private int stayWithMe = 10;   // not legal
    private int field; // instance variable, class scope
    
    // prameter field has constructor scope
    public Scope (int field) {
        // "field" is at function-level scope
        // "this.field" is stored in the object named "this". Other methods in this class can access it.
        this.field = field;
        //int stayWithMe = 3; // shadowing, sort of. function-level scope
        stayWithMe += 1;

        // avoid shadowing with better syntax
        Scope.stayWithMe += 1; // SRT favorite syntax
        this.stayWithMe += 1;
    }
    
    public static void main (String argv[]) {
		Scope s1 = new Scope(3);
		Scope s2 = new Scope(4);
		System.out.println( s1.field );
        System.out.println( "stayWithMe " + Scope.stayWithMe );
        System.out.println( "stayWithMe " + s1.stayWithMe );
        
    }
}