OverrideArraysSort.java

import java.util.Arrays;
import java.util.Comparator;

public class OverrideArraysSort {
    static int temp = 0;
    static class Employee{
        int id;
        String name;
        int salary;

        public Employee(String name, int salary) {
            this.name = name;
            this.salary = salary;
            id = temp++;
        }

        @Override
        public String toString() {
            return "[" + id + " " + name + " " + salary +"]";
        }
    }

    public void getEmployeesAlphabetical(Employee [] employees){

        //sort the array as per employee name
        Arrays.sort(employees, new Comparator<Employee>() {
            @Override
            public int compare(Employee o1, Employee o2) {
                return o1.name.compareTo(o2.name);
            }
        });

        System.out.println(Arrays.toString(employees));
    }

    public void getEmployeeWithHighestSalary(Employee [] employees){

        //sort the list as per employee name
        Arrays.sort(employees, new Comparator<Employee>() {
            @Override
            public int compare(Employee o1, Employee o2) {
                return o2.salary-o1.salary;
            }
        });

        System.out.println("Employee with highest salary: " + employees[0]);
    }

    public static void main(String[] args) {
        Employee [] employees = new Employee[4];

        employees[0] = new Employee("Carl", 10000);
        employees[1] = new Employee("Andy", 20000);
        employees[2] = new Employee("Bob", 30000);
        employees[3] = new Employee("Drake", 5000);

        System.out.println("Given array of employees: " + Arrays.toString(employees));
        OverrideArraysSort o = new OverrideArraysSort();
        o.getEmployeesAlphabetical(employees);
        o.getEmployeeWithHighestSalary(employees);
    }
}