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Arrange the arrayList in order in Android Application

开发者 https://www.devze.com 2023-04-12 14:27 出处:网络
I have the elements in Arraylist like \"Sowmya/20开发者_如何学编程\" \"Ramya/67\" \"Archana/54\"

I have the elements in Arraylist like

"Sowmya/20开发者_如何学编程"
"Ramya/67"
"Archana/54"
"Kavitha/48"
.
.
.

Now I have to arrange these elements in descending order(by numbers) like

"Ramya/67"
"Archan/54"
"kavitha/48"
"Sowmya/20"

How can I do this?


This should do the trick :

Collections.sort(myList, new Comparator<String>() {
    public int compare (String s1, String s2) {
        int i1 = Integer.parseInt(s1.split("/")[1]);
        int i2 = Integer.parseInt(s2.split("/")[1]);
        return i1 - i2;
    }
});

Of course you will need to add some checks for production code (is there a slash in strings, is the second part always an integer, etc...)

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