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RunMethods.java
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61 lines (48 loc) · 1.96 KB
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package com.dj;
import com.dj.domain.Employee;
import com.dj.domain.EmployeeComparator;
import com.dj.domain.StoreEmployee;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
public class RunMethods {
public static void main(String[] args) {
List<StoreEmployee> storeEmployees = new ArrayList<>(List.of(
new StoreEmployee(10015,"Meg",2019,"Target"),
new StoreEmployee(10515,"Joe",2021,"Walmart"),
new StoreEmployee(10105,"Tom",2020,"Macys"),
new StoreEmployee(10215,"Marty",2018,"Walmart"),
new StoreEmployee(10322,"Bud",2016,"Target")));
var c0 = new EmployeeComparator<StoreEmployee >();
var c1 = new Employee.EmployeeComparator<StoreEmployee>();
var c2 = new StoreEmployee().new StoreComparator<StoreEmployee>();
//Using Local Class
class NameSort<T> implements Comparator<StoreEmployee>{
@Override
public int compare(StoreEmployee o1, StoreEmployee o2) {
return o1.getName().compareTo(o2.getName());
}
}
var c3 = new NameSort<StoreEmployee>();
//Using anonymous class
var c4 = new Comparator<StoreEmployee>(){
@Override
public int compare(StoreEmployee o1, StoreEmployee o2) {
return o1.getName().compareTo(o2.getName());
}
};
sortIt(storeEmployees,c0);
sortIt(storeEmployees,c1);
sortIt(storeEmployees,c2);
sortIt(storeEmployees,c3);
sortIt(storeEmployees,c4);
sortIt(storeEmployees, (o1, o2) -> o1.getName().compareTo(o2.getName()));
}
public static <T> void sortIt(List<T> list, Comparator<?super T> comparator){
System.out.println("Sorting with Comparator: " + comparator.toString());
list.sort(comparator);
for (var employee : list){
System.out.println(employee);
}
}
}