public int indexOf(String value, String searchedText) throws BatuxException { if(value == null) { throw new BatuxException("Gelen değer null olamaz!"); }
return value.indexOf(searchedText); }
import java.util.Scanner; public class HataYakala { public static void checkAge(int age) { if (age < 18) { throw new ArithmeticException("Hatalı Yaş"); }
System.out.println("Yasaktan Muaf !"); }
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print("Yaşınız : ");
int a = scan.nextInt();
try {
checkAge(a);
} catch (ArithmeticException e) {
System.out.println(e.getMessage());
}
}
}