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Copy pathLamdaCompartor.java
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35 lines (25 loc) · 879 Bytes
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package lambda;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class LamdaCompartor {
public static void main(String args[]) {
List<Employee> employees = new ArrayList<>();
employees.add(new Employee(3, "Guru"));
employees.add(new Employee(2, "Shan"));
employees.add(new Employee(1, "Cool"));
Comparator<Employee> compartor = (Employee o1, Employee o2) -> {
return o1.getEmpId() - o2.getEmpId();
};
Collections.sort(employees, compartor);
System.out.println("Ascending order");
System.out.println(Arrays.toString(employees.toArray()));
System.out.println("Descending order");
Collections.sort(employees, (Employee o1, Employee o2) -> {
return o2.getEmpId() - o1.getEmpId();
});
System.out.println(Arrays.toString(employees.toArray()));
}
}