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());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());sorting collections with comparator java
Collections.sort(marvel, new Comparator<String>() {
@Override
public int compare(String hero1, String hero2) {
return hero1.compareTo(hero2);
}
});sorting collections with comparator java
Collections.sort(marvel, new Comparator<String>() {
@Override
public int compare(String hero1, String hero2) {
return hero1.compareTo(hero2);
}
});Copyright © 2021 Codeinu
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