Javaoop实现现在有一个List集合的对象,里面存储了10个数字 要求用代码将List中重复的内容删除掉,并将去重后的集合内容遍历打印到控制台中代码
时间: 2023-05-20 07:01:11 浏览: 69
以下是Java代码实现:
List<Integer> list = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 5, 7));
Set<Integer> set = new HashSet<>(list);
list.clear();
list.addAll(set);
for (Integer num : list) {
System.out.println(num);
}
输出结果为:
1
2
3
4
5
6
7
8
9
10
请问还有什么问题吗?
相关问题
javaoop使用代码来存储每个部门的员工信息,并将列表按部门加载出来代码
可以使用以下代码来实现:
public class Department {
private String name;
private List<Employee> employees;
public Department(String name) {
this.name = name;
employees = new ArrayList<>();
}
public void addEmployee(Employee employee) {
employees.add(employee);
}
public List<Employee> getEmployees() {
return employees;
}
public String getName() {
return name;
}
}
public class Employee {
private String name;
private int age;
private String department;
public Employee(String name, int age, String department) {
this.name = name;
this.age = age;
this.department = department;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
public String getDepartment() {
return department;
}
}
public class EmployeeManagementSystem {
private Map<String, Department> departments;
public EmployeeManagementSystem() {
departments = new HashMap<>();
}
public void addEmployee(Employee employee) {
String departmentName = employee.getDepartment();
Department department = departments.get(departmentName);
if (department == null) {
department = new Department(departmentName);
departments.put(departmentName, department);
}
department.addEmployee(employee);
}
public List<Employee> getEmployeesByDepartment(String departmentName) {
Department department = departments.get(departmentName);
if (department == null) {
return new ArrayList<>();
}
return department.getEmployees();
}
}
在这个代码中,我们定义了两个类:Department 和 Employee。Department 类表示一个部门,包含部门名称和员工列表;Employee 类表示一个员工,包含姓名、年龄和所属部门。我们还定义了一个 EmployeeManagementSystem 类,用于管理所有的员工信息。在这个类中,我们使用一个 Map 来存储所有的部门信息,每个部门对应一个 Department 对象。当添加一个新员工时,我们根据员工所属部门找到对应的 Department 对象,如果该部门不存在,则创建一个新的 Department 对象并加入到 Map 中。当需要按部门加载员工列表时,我们根据部门名称找到对应的 Department 对象,并返回其员工列表。
javaoop写一个微波炉代码
好的,我可以回答这个问题。以下是一个简单的Java OOP微波炉代码示例:
public class Microwave {
private int power;
private int time;
public Microwave(int power, int time) {
this.power = power;
this.time = time;
}
public void start() {
System.out.println("Starting microwave with " + power + " power for " + time + " seconds.");
}
public static void main(String[] args) {
Microwave microwave = new Microwave(800, 60);
microwave.start();
}
}
这个代码定义了一个微波炉类,包括功率和时间属性,以及启动方法。在main方法中,我们创建了一个800瓦,60秒的微波炉实例,并启动它。
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