fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.ArrayList;
  7. import java.util.Comparator;
  8. import java.util.List;
  9. import java.util.stream.Collectors;
  10.  
  11. /* Name of the class has to be "Main" only if the class is public. */
  12. class Ideone
  13. {
  14. 	public static void main (String[] args) throws java.lang.Exception
  15. 	{
  16. 		List<List<String>> data = new ArrayList<>();
  17.         List<String> list1 = new ArrayList<>();
  18.         List<String> list2 = new ArrayList<>();
  19.         List<String> list3 = new ArrayList<>();
  20.  
  21.         list1.add("Siva");
  22.         list1.add("20");
  23.         list1.add("Hyd");
  24.         list1.add("TA");
  25.         list1.add("India");
  26.  
  27.         list2.add("Suresh");
  28.         list2.add("22");
  29.         list2.add("Banglore");
  30.         list2.add("KA");
  31.         list2.add("India");
  32.  
  33.         list3.add("Ramesh");
  34.         list3.add("24");
  35.         list3.add("Chennai");
  36.         list3.add("TN");
  37.         list3.add("India");
  38.  
  39.         data.add(list1);
  40.         data.add(list2);
  41.         data.add(list3);
  42.  
  43.         List<List<String>> listSorted1 = data.stream()
  44.                 .sorted((x, y) -> {
  45.                     int res = x.get(0).compareTo(y.get(0));
  46.                     if (res != 0) return res;
  47.                     res = Integer.valueOf(x.get(1)).compareTo(Integer.valueOf(y.get(1)));
  48.                     if (res != 0) return res;
  49.                     return x.get(2).compareTo(y.get(2));
  50.                 })
  51.                 .collect(Collectors.toList());
  52.  
  53.         System.out.println("Sorting without mapping: \n" + listSorted1);
  54.  
  55.         List<MyClass> listSorted2 = data.stream()
  56.                 .map(list -> MyClass.createMyClass(list))
  57.                 .sorted(Comparator.comparing(MyClass::getName).thenComparing(MyClass::getAge).thenComparing(MyClass::getCity))
  58.                 .collect(Collectors.toList());
  59.  
  60.         System.out.println("\nSorting with mapping: \n" + listSorted2);
  61. 	}
  62.  
  63. 	static class MyClass {
  64.         String name;
  65.         int age;
  66.         String city, code, country;
  67.  
  68.         public String getName() {
  69.             return name;
  70.         }
  71.  
  72.         public int getAge() {
  73.             return age;
  74.         }
  75.  
  76.         public String getCity() {
  77.             return city;
  78.         }
  79.  
  80.         public String getCode() {
  81.             return code;
  82.         }
  83.  
  84.         public String getCountry() {
  85.             return country;
  86.         }
  87.  
  88.         public static MyClass createMyClass(List<String> list) {
  89.             if (list == null || list.size() < 5) {
  90.                 return null;
  91.             }
  92.  
  93.             MyClass mc = new MyClass();
  94.             mc.name = list.get(0);
  95.             mc.age = Integer.valueOf(list.get(1));
  96.             mc.city = list.get(2);
  97.             mc.code = list.get(3);
  98.             mc.country = list.get(4);
  99.  
  100.             return mc;
  101.         }
  102.  
  103.         @Override
  104.         public String toString() {
  105.             return String.format("(%s %d %s %s %s)", name, age, city, code, country);
  106.         }
  107.     }
  108. }
Success #stdin #stdout 0.15s 51360KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Sorting without mapping: 
[[Ramesh, 24, Chennai, TN, India], [Siva, 20, Hyd, TA, India], [Suresh, 22, Banglore, KA, India]]

Sorting with mapping: 
[(Ramesh 24 Chennai TN India), (Siva 20 Hyd TA India), (Suresh 22 Banglore KA India)]
https://ideone.com/UK9trV
Multi Sorting of List of list of strings List<List<String>>

https://stackoverflow.com/questions/72315290/multi-sorting-of-list-of-list-of-strings-listliststring
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!