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Pune, Maharashtra, India
Sort an Arraylist in Ascending and Descending order example with JAVA
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ListSorting
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class ListSorting {
    public static void main(String args[]){
        List<String> dataList = new ArrayList<String>();
            dataList.add("Ball");
            dataList.add("Apple");
            dataList.add("Dog");
            dataList.add("Cat");
            
        //Ascending order of List of Strings
        Collections.sort(dataList);
        System.out.println("Ascending Order");
        System.out.println(dataList);
        
        //Descending order of List of Strings
        Collections.sort(dataList,Collections.reverseOrder());
        System.out.println("Decending Order");
        System.out.println(dataList);
    }
}
Output 
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