update

Author: kimmking

04fx/java8/src/main/java/io/kimmking/java8/A.java

@@ -1,10 +1,19 @@
 package io.kimmking.java8;
 
-import lombok.Data;
+import lombok.*;
+import lombok.extern.slf4j.Slf4j;
 
-@Data
+@ToString
+@NoArgsConstructor
+@AllArgsConstructor
+@Slf4j
+@Builder
+@Getter
+@Setter
 public class A {
-    
+
     private int age;
-    
+
+    private String name;
+
 }

04fx/java8/src/main/java/io/kimmking/java8/GenericDemo.java

@@ -1,9 +1,10 @@
 package io.kimmking.java8;
 
+import java.io.Serializable;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 
-public class GenericDemo {
+public class GenericDemo implements Serializable {
     public static void main(String[] args) {
         Demo demo = new Demo();
         Class clazz = demo.getClass();
@@ -20,7 +21,7 @@ public static void main(String[] args) {
         System.out.println(c);
     }
 
-    public static class Person<T> {
+    public static class Person<T extends Serializable> {
 
     }
 

04fx/java8/src/main/java/io/kimmking/java8/GuavaDemo.java

@@ -48,7 +48,7 @@ private static void testEventBus() {
         // Callback/Listener
         // 
         Student student2 = new Student(2, "KK02");
-        System.out.println("I want " + student2 + " run now.");
+        System.out.println(Thread.currentThread().getName()+" I want " + student2 + " run now.");
         bus.post(new AEvent(student2));
     }
 
@@ -81,6 +81,7 @@ private static List<Integer> testList() {
         List<Integer> list = Lists.newArrayList(4,2,3,5,1,2,2,7,6);
 
         List<List<Integer>> list1 = Lists.partition(list,3);
+
         print(list1);
         return list;
     }
@@ -89,10 +90,11 @@ private static List<String> testString() {
         // 字符串处理
         // 
         List<String> lists = Lists.newArrayList("a","b","g","8","9");
+
         String result = Joiner.on(",").join(lists);
         System.out.println(result);
 
-        String test = "34344,34,34,哈哈";
+        String test = "34344,,,34,34,哈哈";
         lists = Splitter.on(",").splitToList(test);
         System.out.println(lists);
         return lists;
@@ -111,7 +113,7 @@ public static class AEvent{
 
     @Subscribe
     public void handle(AEvent ae){
-        System.out.println(ae.student + " is running.");
+        System.out.println(Thread.currentThread().getName()+" "+ae.student + " is running.");
     }
 
 

04fx/java8/src/main/java/io/kimmking/java8/LambdaDemo.java

@@ -17,12 +17,20 @@ public Integer operation(int a, int b) {
         };
 
         MathOperation op1 = (a, b) -> 1;
+
+
+        MathOperation op2 = new MathOperation<Integer>() {
+            @Override
+            public Integer operation(int a, int b) {
+                return a+b;
+            }
+        };
 
         // 类型声明
         MathOperation addition = (int a, int b) -> a + b;
 
                 // 不用类型声明
-        MathOperation subtraction = (a, b) -> a - b + 1.0;
+        MathOperation subtraction = (int a, int b) -> a - b + 1.0;
 
         // 大括号中的返回语句
         MathOperation multiplication = (int a, int b) -> { 
@@ -47,9 +55,10 @@ public Integer operation(int a, int b) {
                 System.out.println("Hello " + message);
 
         // 用括号
-        GreetingService greetService2 = (message) ->
-                System.out.println("Hello " + message);
-    
+        GreetingService greetService2 = (message) -> {
+            System.out.println(message);
+        };
+
         GreetingService greetService3 = System.out::println;
 
         Arrays.asList(1,2,3).forEach( x -> System.out.println(x+3));

04fx/java8/src/main/java/io/kimmking/java8/LombokDemo.java

@@ -1,14 +1,19 @@
 package io.kimmking.java8;
 
 import lombok.extern.java.Log;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 
 @Log
 public class LombokDemo {
-    
+
     public static void main(String[] args) throws IOException {
-        
+
+        A a = new A(1, "KK");
+        System.out.println(a.toString());
+        A.builder().age(1).name("KKK").build();
+
         new LombokDemo().demo();
 
         Student student1 = new Student();
@@ -17,6 +22,7 @@ public static void main(String[] args) throws IOException {
         System.out.println(student1.toString());
 
         Student student2 = new Student(2, "KK02");
+        //student2.init();
         System.out.println(student2.toString());
     }
 

04fx/java8/src/main/java/io/kimmking/java8/StreamDemo.java

@@ -3,11 +3,7 @@
 import com.alibaba.fastjson.JSON;
 
 import java.io.IOException;
-import java.util.Arrays;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
+import java.util.*;
 import java.util.stream.Collectors;
 
 public class StreamDemo {
@@ -19,14 +15,14 @@ public static void main(String[] args) throws IOException {
 
         // Optional
         Optional<Integer> first = list.stream().findFirst();
-        
+
         System.out.println(first.map(i -> i * 100).orElse(100));
 
         int sum = list.stream().filter( i -> i<4).distinct().reduce(0,(a,b)->a+b);
         System.out.println("sum="+sum);
 
-        //Map map = list.stream().collect(Collectors.toMap(a->a,a->(a+1)));
-        Map<Integer,Integer> map = list.parallelStream().collect(Collectors.toMap(a->a,a->(a+1),(a,b)->a, LinkedHashMap::new));
+        //Map map1 = list.stream().collect(Collectors.toMap(a->a,a->(a+1)));
+        Map<Integer,Integer> map = list.stream().parallel().collect(Collectors.toMap(a->a,a->(a+1),(a,b)->a, LinkedHashMap::new));
         print(map);
 
 

04fx/springboot01/src/main/resources/application.yml

@@ -18,7 +18,7 @@ spring:
     enabled: true
     max-connections: 10   #连接池最大连接数
     idle-timeout: 30000   #空闲的连接过期时间，默认为30秒
-    
+
 
 
   data: