兴趣是最好的老师

public class Test { public static void main(String[] args) { List<Employee> employees = Arrays.asList( new Employee(1,"刘德华","88.8"), new Employee(2,"张学友","70"), new Employee(3,"黎明","90.5").

package com.bmw.dorms.modules.mail;import java.time.*;import java.util.Date;/** * @program: * @description: * @Author:Shu.Zhou * @Date 2021/12/27 */public class Test { // 01. java.util.Date --> java.time.LocalDateTime public void U.

package com.drew.util;import java.time.DayOfWeek;import java.time.LocalDate;import java.time.LocalDateTime;import java.time.LocalTime;import java.time.MonthDay;import java.time.Period;import java.time.format.DateTimeFormatter;import java.time.for.

代码：

package com.zs.boot.controller;import org.junit.Test;import java.time.*;import java.time.format.DateTimeFormatter;import java.time.temporal.TemporalAdjusters;import java.util.Set;public class TestlocalDateTime { //5. DateTimeFormatter ...

package com.zs.boot.controller;import org.junit.Test;import java.time.*;import java.time.temporal.TemporalAdjusters;public class TestlocalDateTime { //4. TemporalAdjuster : 时间校正器 @Test public void test4(){ LocalDateTime ldt = ...

package com.zs.boot.controller;import org.junit.Test;import java.time.*;public class TestlocalDateTime { //1. LocalDate、LocalTime、LocalDateTime @Test public void test(){ LocalDateTime ldt = LocalDateTime.now(); Syst...

package com.zs.boot.controller;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;import java.util.concurrent.Callable;import java.util.concurrent.ExecutorService;import java.util.concurrent.Ex.

package com.zs.boot.controller;public interface MyFun { default String getName(){ return "哈哈"; }}package com.zs.boot.controller;public class MyClass { public String getName(){ return "嘿嘿"; }}package com.zs.b...

package com.zs.boot.controller;public class Employee implements Comparable<Employee>{ private int id; private String name; private int age; private double salary; private Status status; public Employee() { } public Employee(String nam...

package com.zs.boot.controller;import java.util.concurrent.RecursiveTask;public class ForkJoinCalculate extends RecursiveTask<Long> { private long start; private long end; public ForkJoinCalculate(long start, long end) { ...

package com.xiaobu.base.utils; import java.time.*;import java.time.format.DateTimeFormatter;import java.time.temporal.ChronoUnit; /** * @author zs * @version JDK1.8.0_171 * @date on 2020/7/1 * @description V1.0 LocalDateTime工具类 * SQL -> Jav.

package com.zs.boot.controller;import org.junit.Test;import java.util.*;import java.util.stream.Collectors;public class TestStream5API { //求每个数的平方 @Test public void test1() { Integer[] nums = new Integer[]{1,2,3,4,5}; //.

package com.bmw.api.platform.portal.apiservice.controller;public class Employee implements Comparable<Employee>{ private int id; private String name; private int age; private double salary; private Status status; public.

package com.zs.boot.controller;public class Employee implements Comparable<Employee>{ private int id; private String name; private int age; private double salary; private Status status; public Employee() { } public Employee(Stri...

package com.zs.boot.controller;public class Employee implements Comparable<Employee>{ private int id; private String name; private int age; private double salary; private Status status; public Employee() { } public Employee(Strin...

package com.zs.boot.controller;public class Employee { private int id; private String name; private int age; private double salary; private Status status; public Employee() { } public Employee(String name) { this.name = name; } public ...

package com.zs.boot.controller;public class Employee { private int id; private String name; private int age; private double salary; private Status status; public Employee() { } public Employee(String name) { this.name = name; } public ...

package com.zs.boot.controller;public class Employee { private int id; private String name; private int age; private double salary; private Status status; public Employee() { } public Employee(String name) { this.name = name; } public ...

package com.zs.boot.controller;import java.util.ArrayList;import java.util.Arrays;import java.util.Iterator;import java.util.List;import java.util.stream.Stream;import org.junit.Test;/* * 一、Stream API 的操作步骤： * * 1. 创建 Stream ...

package com.zs.boot.controller;import java.io.PrintStream;import java.util.Arrays;import java.util.Comparator;import java.util.List;import java.util.function.BiFunction;import java.util.function.BiPredicate;import java.util.function.C...

四大内置核心函数式接口：package com.zs.boot.controller;import org.junit.Test;import java.util.ArrayList;import java.util.Arrays;import java.util.List;import java.util.function.Consumer;import java.util.function.Predicate;import java.util.function.Functi.

package com.zs.boot.controller;import org.junit.Test;import java.util.Arrays;import java.util.Collections;import java.util.List;public class TestLambda3 { public class Employee{ private String name; private int age; p...

package com.zs.boot.controller;import java.util.ArrayList;import java.util.Comparator;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.function.Consumer;import org.junit.Test;/* * 一、Lambda 表达式的基础语法：Java8中引入了.

package com.zs.boot.controller;import org.junit.Test;import java.util.*;public class TestLambda { //原来的匿名内部类 @Test public void test1(){ Comparator<Integer> com = new Comparator<Integer>() { @Override .