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Employee.java
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Employee.java
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import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collectors;
public class Employee {
private int employeeID;
private String employeeName;
private String employeeGender;
private String employeeCountry;
private String employeeState;
private String employeeCity;
public Employee() {
// TODO Auto-generated constructor stub
}
public Employee(int employeeID, String employeeName, String employeeGender, String employeeCountry,
String employeeState, String employeeCity) {
super();
this.employeeID = employeeID;
this.employeeName = employeeName;
this.employeeGender = employeeGender;
this.employeeCountry = employeeCountry;
this.employeeState = employeeState;
this.employeeCity = employeeCity;
}
public int getEmployeeID() {
return employeeID;
}
public Object setEmployeeID(int employeeID) {
this.employeeID = employeeID;
return null;
}
public String getEmployeeName() {
return employeeName;
}
public void setEmployeeName(String employeeName) {
this.employeeName = employeeName;
}
public String getEmployeeGender() {
return employeeGender;
}
public void setEmployeeGender(String employeeGender) {
this.employeeGender = employeeGender;
}
public String getEmployeeCountry() {
return employeeCountry;
}
public void setEmployeeCountry(String employeeCountry) {
this.employeeCountry = employeeCountry;
}
public String getEmployeeState() {
return employeeState;
}
public void setEmployeeState(String employeeState) {
this.employeeState = employeeState;
}
public String getEmployeeCity() {
return employeeCity;
}
public void setEmployeeCity(String employeeCity) {
this.employeeCity = employeeCity;
}
@Override
public String toString() {
// TODO Auto-generated method stub
return "[Employee ID : " + employeeID + ", Employee Name : " + employeeName + ", Employee Gender : "
+ employeeGender + ", Employee Country : " + employeeCountry + ", Employee State : " + employeeState
+ ", Employee City : " + employeeCity + "]";
}
public static void main(String[] args) {
ArrayList<Employee> employees = new ArrayList<Employee>();
employees.add(new Employee(101, "John", "M", "United States", "California", "Los Angeles"));
employees.add(new Employee(91, "Jacob", "M", "United States", "California", "Los Angeles"));
employees.add(new Employee(111, "Lisa", "F", "United States", "California", "Los Angeles"));
employees.add(new Employee(97, "Mary", "F", "United States", "California", "Sacramento"));
employees.add(new Employee(76, "Christine", "F", "United States", "California", "Sacramento"));
employees.add(new Employee(114, "David", "M", "United States", "California", "San Jose"));
employees.add(new Employee(103, "Kevin", "M", "United States", "California", "Oakland"));
employees.add(new Employee(109, "Joe", "M", "United States", "California", "Oakland"));
employees.add(new Employee(119, "Mathew", "M", "United States", "California", "San Jose"));
employees.add(new Employee(99, "Angelina", "F", "United States", "California", "San Diego"));
employees.add(new Employee(98, "Tom", "M", "United States", "California", "San Diego"));
employees.add(new Employee(116, "Curl", "M", "United States", "California", "Los Angeles"));
employees.add(new Employee(66, "Christopher", "M", "United States", "California", "Oakland"));
employees.add(new Employee(56, "Chelse", "F", "United States", "California", "Oakland"));
employees.add(new Employee(88, "Murali", "M", "United States", "California", "San Jose"));
employees.add(new Employee(87, "Daisy", "F", "United States", "California", "Sacramento"));
employees.add(new Employee(85, "Niza", "F", "United States", "Virginia", "Richmond"));
employees.add(new Employee(86, "Chris", "M", "United States", "Virginia", "Fairfax"));
employees.add(new Employee(90, "Andrew", "M", "United States", "Virginia", "Reston"));
System.out.println(employees.stream().filter(new Predicate<Employee>() {
@Override
public boolean test(Employee employee) {
return employee.getEmployeeState().equalsIgnoreCase("California");
}
}).collect(Collectors.toList()));
System.out.println("----------------------------------------------------------------");
System.out.println(employees.stream().filter(new Predicate<Employee>() {
@Override
public boolean test(Employee employee) {
return employee.getEmployeeGender().equalsIgnoreCase("F");
}
}).count());
System.out.println("----------------------------------------------------------------");
System.out.println(employees.stream().map(new Function<Employee, Employee>() {
@Override
public Employee apply(Employee employee) {
employee.setEmployeeID(employee.getEmployeeID() + 10);
return employee;
}
}).collect(Collectors.toList()));
System.out.println("----------------------------------------------------------------");
System.out.println(employees.stream().sorted(new Comparator<Employee>() {
@Override
public int compare(Employee o1, Employee o2) {
return o2.getEmployeeName().compareTo(o1.getEmployeeName());
}
}).collect(Collectors.toList()));
System.out.println("----------------------------------------------------------------");
System.out.println(employees.stream().sorted(new Comparator<Employee>() {
@Override
public int compare(Employee o1, Employee o2) {
return o2.getEmployeeID() - o1.getEmployeeID();
}
}).limit(2).collect(Collectors.toList()).get(1));
System.out.println("----------------------------------------------------------------");
employees.stream().filter(new Predicate<Employee>() {
@Override
public boolean test(Employee employee) {
return employee.getEmployeeGender().equalsIgnoreCase("F");
}
}).map(new Function<Employee, Employee>() {
@Override
public Employee apply(Employee employee) {
employee.setEmployeeName("Mrs. "+employee.getEmployeeName());
return employee;
}
}).sorted(new Comparator<Employee>() {
@Override
public int compare(Employee o1, Employee o2) {
return o2.getEmployeeName().compareTo(o1.getEmployeeName());
}
}).forEach(new Consumer<Employee>() {
@Override
public void accept(Employee employee) {
System.out.println(employee);
}
});
System.out.println("----------------------------------------------------------------");
}
}