Java sort list by attribute

Sort list of objects by attribute java

ArrayList<Employee> employees = getUnsortedEmployeeList();
             
Comparator<Employee> compareById = (Employee o1, Employee o2) -> o1.getId().compareTo( o2.getId() );
 
Collections.sort(employees, compareById);
 
Collections.sort(employees, compareById.reversed());

Collections.sort custom comparator

ArrayList<Employee> employees = getUnsortedEmployeeList();
             
Comparator<Employee> compareById = (Employee o1, Employee o2) -> o1.getId().compareTo( o2.getId() );
 
Collections.sort(employees, compareById);
 
Collections.sort(employees, compareById.reversed());

Source: howtodoinjava.com

Java sort list by attribute

       List.sort((a, b) -> {
                if (a.value() > b.value()) {
                    return -1;
                }
                if (a.value() < b.value()) {
                    return 1;
                }
                return 0;
            });

Similar codes

1 vote338 views1 answer
NASDAQ: TSLA
TypeScript
3 votes307 views4 answers
Remove item from array if exists in another array
TypeScript
0 vote322 views1 answer
Get list of property values from list of objects swift
TypeScript
0 vote340 views1 answer
Typescript equals string
TypeScript
1 vote308 views1 answer
How to make an element be above all the other elements html
TypeScript
9 votes345 views2 answers
Mongodb add array to set
TypeScript
5 votes328 views4 answers
Element implicitly has an 'any' type because expression of type 'string' can't be used to index type
TypeScript
0 vote436 views1 answer
Some of contents don't show in FragmentBottomSheetDialog
TypeScript
1 vote330 views1 answer
Ts object field from variable
TypeScript
0 vote336 views1 answer
Whats the time in kenya
TypeScript