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12.10.2004 at 07:27AM PST, ID: 21237976
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7.0

Sorting ArrayList Objects.

Asked by sunny08 in Java Programming Language

Tags: ,

Hi,

     Below is the class which sorts the list of strings and integers. I passed the arguments as 115R 1125R 147C 37R 57R 37C and it shows the result as 1125R 115R 147C 37C 37R 57R. But the problem is I want the output as 37C 37R 57R 115R 147C 1125R. Can anyone help me with this. Its really important.

import java.util.*;

public class SortArrayList
{      
      public static void main(String s[])
      {  
            Collections col;
            List l = sort(s);
            
            System.out.println("\nStrings sorted List ...");
            for(int i = 0; i < s.length; i++)
            {
                  System.out.println((String)l.get(i));
            }
            
            int ints[] = {
                                    11, 2, -22, 401, 6
                                    };
            
            Integer in[] = new Integer[ints.length];            
            for(int i = 0; i < in.length; i++)
            {
                  in[i] = new Integer(ints[i]);
            }
            
            l = sort(in);
            System.out.println("\nIntegers sorted List ...");
            
            for(int i = 0; i < in.length; i++)
            {
                  System.out.println((Integer)l.get(i));
            }
    }
      
    public static List sort(Object o[])
    {
            ArrayList al = new ArrayList();
            for(int i = 0; i < o.length; i++)
            al.add(i, o[i]);
            List list = Collections.synchronizedList(al);
            Collections.sort(list);
            return list;
    }
}



Thanks.

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Keywords: Sorting ArrayList Objects.
Title
1 can not ArrayList to add
2 FIFO ArrayList?
3 sorting fields in arraylist
4 Copy files from arraylist
5 Sorting ArrayList
6 Arraylist
 
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About this solution

Zone: Java Programming Language
Tags: arraylist, sort
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Solution Provided By: zzynx
Participating Experts: 2
Solution Grade: A
 
 
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