Przykładowe wyjątki

package pl.am.errors.lesson3;

import java.io.FileWriter;
import java.io.IOException;

public class ExceptionExamples {

    public static void r() {
        r();
    }

    public static void main(String[] args) throws IOException {
        //Wyjątki niekontolowane
        //int i = 6/0;  //ArithmeticException

        int[] numbers = {1, 2, 3};
        //System.out.println(numbers[3]);  //ArrayIndexOutOfBoundsException

        String tekst = "Ola";
        //System.out.println(tekst.charAt(3));  //StringIndexOutOfBoundsException

        String s = null;
        //s.length();  //NullPointerException NPE

        //r();

        //Wyjątki kontolowane
        FileWriter fileWriter = new FileWriter("out.txt");
        fileWriter.append("test");
        fileWriter.close();
    }
}