how to sort arraylist object of lowest value?

Question

ArrayList <ShyForeignStockHolding> aithird = new ArrayList<ShyForeignStockHolding>();

ShyForeignStockHolding shyfrst = new ShyForeignStockHolding (shyPurchaseSharePrice, shyCurrentSharePrice, shyNumberOfShares, shyCompanyName, shyconversionRate1);

aithird.add(shyfrst);

I want to sort ArrayList by Currentshare Price

shyCurrentSharePrice is float type variable – Shyamal Patel Jul 05 '16 at 03:15 — Shyamal Patel, Jul 05 '16 at 03:15
You can use a java Comparator to achieve what you want. – Vishal Jul 05 '16 at 03:18 — Vishal, Jul 05 '16 at 03:18
can you give me some hint ??or example ? – Shyamal Patel Jul 05 '16 at 03:19 — Shyamal Patel, Jul 05 '16 at 03:19

Ahmad Sanie · Answer 1 · 2016-07-05T04:09:28.377

You can use a custom Comparator of your Object, assuming that you are using double for the shyCurrentSharePrice:

List<ShyForeignStockHolding> sFSH = new ArrayList<ShyForeignStockHolding>();
//add Your objects
Collections.sort(sFSH, new Comparator<ShyForeignStockHolding>() {
    @Override public double compare(ShyForeignStockHolding ssh1, ShyForeignStockHolding ssh2) {
        return ssh1.shyCurrentSharePrice + shh2.shyCurrentSharePrice; //descending use - for Ascending
    }

});

score 0 · Answer 2 · answered Jul 05 '16 at 04:19

With Java 8, you can now create a Comparator easily like so (avoiding anonymous classes entirely). Since this is in ascending order, you can then call reversed() on that Comparator to make it descending.

Comparator<ShyForeignStockHolding> comparator = Comparator.comparing((sh -> sh.getTheVarYouWantToCompareBy())).reversed();
aithird.sort(comparator);

how to sort arraylist object of lowest value?

2 Answers2