如何從員工名單中打印特定月份入職的員工名單？您好，我正在嘗試打印假設(shè)“六月”加入的員工名單？下面是我的代碼，Pojo 類(lèi)：-import java.time.LocalDate;public class Employee { private String name; private String empID; private Designation designation; private LocalDate dateOfJoining; private int monthlySalary; public Employee(String name, String empID, Designation designation, LocalDate dateOfJoining, int monthlySalary) { super(); this.name = name; this.empID = empID; this.designation = designation; this.dateOfJoining = dateOfJoining; this.monthlySalary = monthlySalary; } public Employee() { } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getEmpID() { return empID; } public void setEmpID(String empID) { this.empID = empID; } public Designation getDesignation() { return designation; } public void setDesignation(Designation designation) { this.designation = designation; } public LocalDate getDOJ() { return dateOfJoining; } public void setDOJ(LocalDate dOJ) { dateOfJoining = dOJ; } public int getMonthlySalary() { return monthlySalary; } public void setMonthlySalary(int monthlySalary) { this.monthlySalary = monthlySalary; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((dateOfJoining == null) ? 0 : dateOfJoining.hashCode()); result = prime * result + ((designation == null) ? 0 : designation.hashCode()); result = prime * result + ((empID == null) ? 0 : empID.hashCode()); result = prime * result + monthlySalary; result = prime * result + ((name == null) ? 0 : name.hashCode()); return result; }我為加入詳細(xì)信息的日期創(chuàng)建了一個(gè)單獨(dú)的類(lèi)。
3 回答
元芳怎么了
TA貢獻(xiàn)1798條經(jīng)驗(yàn) 獲得超7個(gè)贊
如果您只想打印 6 月份加入的員工姓名：
listofemployee.stream().filter(employee->employee.getDOJ().getMonth().equals(Month.JUNE)).map(employee.getName()).forEach(System.out::println);
慕尼黑5688855
TA貢獻(xiàn)1848條經(jīng)驗(yàn) 獲得超2個(gè)贊
for (Employee employee : listofemployee) {
LocalDate key = employee.getDOJ();
String value = employee.getName();
if (key.getMonthValue() == 06) {
hashmap.put(key, value);
}
}
System.out.println(hashmap);
但這在重復(fù)的情況下不起作用
HUWWW
TA貢獻(xiàn)1874條經(jīng)驗(yàn) 獲得超12個(gè)贊
for(Employee employee: listofemployee)
{
LocalDate key = employee.getDOJ();
String value = employee.getName();
if(key.getMonth() == 6 )
{
hashMap.put(key, value); //if the date of joining is same day and time it would replace, as map dont share dups.
}
}
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