update

kimmking · kimmking · commit 6d921f52e332 · 2020-12-07T23:03:50.000+08:00
diff --git a/03concurrency/0301/src/main/java/java0/conc0302/threadpool/ExceptionDemo.java b/03concurrency/0301/src/main/java/java0/conc0302/threadpool/ExceptionDemo.java
@@ -0,0 +1,40 @@
+package java0.conc0302.threadpool;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+public class ExceptionDemo{
+ 
+ public static void main(String[] args){
+ ExecutorService executorService = Executors.newFixedThreadPool(1);
+ 
+ try{
+ Future<Double> future = executorService.submit(() ->{
+ int a = 1;
+ return 10.0/(a-1);
+ });
+ 
+ double b = future.get();
+ System.out.println(b);
+ 
+ } catch (Exception ex){
+ System.out.println("catch execute");
+ ex.printStackTrace();
+ }
+ 
+ try{
+ executorService.execute(() ->{
+ int a = 1;
+ float b = 10/(a-1);
+ });
+ } catch (Exception ex){
+ System.out.println("catch execute");
+ ex.printStackTrace();
+ }
+ 
+ executorService.shutdown();
+ System.out.println("Main Thread End!");
+ }
+ 
+}

-Original file line number
+Diff line change
@@ @@ -0,0 +1,40 @@ @@
 +packagejava0.conc0302.threadpool;
++
 +importjava.util.concurrent.ExecutorService;
 +importjava.util.concurrent.Executors;
 +importjava.util.concurrent.Future;
++
 +publicclassExceptionDemo{
++
 +publicstaticvoidmain(String[] args){
 +ExecutorServiceexecutorService = Executors.newFixedThreadPool(1);
++
 +try{
 +Future<Double> future = executorService.submit(() ->{
 +inta = 1;
 +return10.0/(a-1);
 + });
++
 +doubleb = future.get();
 +System.out.println(b);
++
 + } catch (Exceptionex){
 +System.out.println("catch execute");
 +ex.printStackTrace();
 + }
++
 +try{
 +executorService.execute(() ->{
 +inta = 1;
 +floatb = 10/(a-1);
 + });
 + } catch (Exceptionex){
 +System.out.println("catch execute");
 +ex.printStackTrace();
 + }
++
 +executorService.shutdown();
 +System.out.println("Main Thread End!");
 + }
++
 +}