/*
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 */
package com.mycompany.ex21;

/**
 *
 * @author student
 */
public class Main2 {

    public static void main(String[] args) {
        // механизм исключений (основан на ООП)
        // try catch throw throws finally
        String s = "AAA";
        System.out.println("s.len=" + s.length());

        String s1 = null;
        System.out.println("s1.len=" + s1.length());
        System.out.println("OK!!!!!!!!!!!!!");

        //NullPointerException ne = null;
    }
}