apex icomparable
global class Employee implements Comparable {
public Long id;
public String name;
public String phone;
// Constructor
public Employee(Long i, String n, String p) {
id = i;
name = n;
phone = p;
}
// Implement the compareTo() method
global Integer compareTo(Object compareTo) {
Employee compareToEmp = (Employee)compareTo;
if (id == compareToEmp.id) return 0;
if (id > compareToEmp.id) return 1;
return -1;
}
}