I thought I understood what was being asked of me but apparently, I haven't a clue. I don't even know where to begin asking questions. I'm sorry for the vagueness and I hope there is somewhere someone can start with helping me solve this. Thanks in advance!
package com.codegym.task.task09.task0917;

/*
Catching unchecked exceptions

*/

public class Solution {
    public static void main(String[] args) {
        handleExceptions(new Solution());
    }

    public static void handleExceptions(Solution obj) {
        try {
            obj.method1();
            obj.method2();
            obj.method3();
        }
        catch (NumberFormatException e) {
            printStack(e);
        }
        catch (IndexOutOfBoundsException e) {
            printStack(e);
        }
        catch(NullPointerException e) {
            printStack(e);
        }


    }

    public static void printStack(Throwable throwable) {
        System.out.println(throwable);
        for (StackTraceElement element : throwable.getStackTrace()) {
            System.out.println(element);
        }
    }

    public void method1() {
        throw new NullPointerException();
    }

    public void method2() {
        throw new IndexOutOfBoundsException();
    }

    public void method3() {
        throw new NumberFormatException();
    }
}