Test

import java.util.ArrayList;
import java.util.Arrays;

public class MyClass {

    public static ArrayList<String> removeAll_My(ArrayList<String> z, int[] ii) {
        if(ii.length==0) return z;
        ArrayList<String> nz = new ArrayList<String>();
        Arrays.sort(ii);
        int prev=0;
        for (int x = 0; x < ii.length; x++ ) {
            if(ii[x]-prev>0)
                nz.addAll(z.subList(prev,ii[x]));
            prev=ii[x]+1;
        }
        if(prev<z.size()){
            nz.addAll(z.subList(prev,z.size()));
        }
        return nz;
    }

    public static void removeAll_Ki(ArrayList<String> z, int[] ii) {
        if(ii.length==0) return;
        Arrays.sort(ii);
        for (int x = ii.length-1; x >= 0; x--) {
            z.remove(ii[x]);
        }
    }


    public static void main(String[] args) {

        ArrayList<String> x = new ArrayList<String>();
        ArrayList<String> r = new ArrayList<String>();


        for(int i=0; i<100000; i++)
            x.add(String.format ("%05d", i));
        int[] myArray;
        myArray = new int[30000];
        for(int i=0; i<30000; i++)
            myArray[i]=i*3;
        long  startTime = System.nanoTime ();
        for(int i=0; i<1; i++)
            removeAll_Ki(x,myArray);
        long  stopTime = System.nanoTime ();
        System.out.println("Kir:" + (stopTime  - startTime ));
        x = new ArrayList<String>();
        for(int i=0; i<100000; i++)
            x.add(String.format ("%05d", i));
        startTime = System.nanoTime ();
        for(int i=0; i<1; i++)
            r = removeAll_My(x,myArray);
        stopTime = System.nanoTime ();
        System.out.println("My:" + (stopTime  - startTime ));
    }


}