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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class Employee {
  8. 	public Employee(double salary) {
  9. 		this.salary = salary;
  10. 	}
  11.  
  12. 	private double salary;
  13.  
  14. 	public double getSalary() {
  15. 		return salary;
  16. 	}
  17.  
  18. 	public String toString() {
  19. 		return Integer.toHexString(hashCode()) + " " + String.valueOf(salary);
  20. 	}
  21. }
  22.  
  23. class Main {
  24. 	public static void main (String[] args) throws Exception {
  25. 		List<Employee> employees = Arrays.asList(
  26. 			new Employee(100),
  27. 			new Employee(150),
  28. 			new Employee(200),
  29. 			new Employee(150),
  30. 			new Employee(100)
  31. 		);
  32. 		double sum = 0;
  33. 		NavigableMap<Double, List<Employee>> map = new TreeMap<>();
  34. 		for (Employee e : employees) {
  35. 			sum += e.getSalary();
  36. 			map.compute(e.getSalary(), (k, v) -> {
  37. 				List<Employee> l = (v == null) ? new ArrayList<>() : v;
  38. 				l.add(e);
  39. 				return l;
  40. 			});
  41. 		}
  42. 		double avg = sum / employees.size();
  43. 		System.out.println("avg = " + avg);
  44. 		System.out.println(">avg = " + map.tailMap(avg, false).values());
  45. 	}
  46. }
Success #stdin #stdout 0.14s 52916KB
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stdin
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Standard input is empty
stdout
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avg = 140.0
>avg = [[7699a589 150.0, 6acbcfc0 150.0], [5f184fc6 200.0]]
https://ideone.com/PHvRfF
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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