import java.math.BigInteger;
import java.util.concurrent.*;
public class MultiThreadedFib {
private ExecutorService executorService;
public MultiThreadedFib(final int numberOfThreads) {
executorService = Executors.newFixedThreadPool(numberOfThreads);
}
public BigInteger getFibNumberAtIndex(fin
请看下面的类,建议使用哪一个,以及它们有什么不同?
// Approach 1
public class Test extends Controller {
private final DatabaseExecutionContext executionContext;
@Inject
public Test(DatabaseExecutionContext executionContext) {
this.executionContext = executionContext;
}
public CompletableFuture&
捕捉上层社会的异常是我想知道的。我有多个方法调用层。在最深一层,抛出异常。在顶层,我怎么才能抓住它?
void foo() {
bar(); <---- catch exception in here
}
void bar() {
// .... <--- throws IOException or ExecutionException or InterruptedException
}
OR case two
void foo() {
bar(); <---- catch exception in here
}
void bar() {
g
当我尝试用Android 3.0.1调试Android应用程序时,它会生成以下错误:
Information:Gradle tasks [:app:generateDebugSources, :app:generateDebugAndroidTestSources, :app:mockableAndroidJar]
Error:java.util.concurrent.ExecutionException: java.lang.RuntimeException: No server to serve request. Check logs for details.
Error:Executio
我已经在VirtualBox上安装了Android Studio3.0。
在制作项目的过程中,有一个异常:
Error:java.util.concurrent.ExecutionException: java.lang.RuntimeException: No server to serve request. Check logs for details.
Error:Execution failed for task ':app:mergeDebugResources'.
Error: java.util.concurrent.ExecutionException: j
所以,基本上,我有这样的代码,其中重复发生:
for (int i = 0; i < dataFromApi.size(); i++){
try {
returnedPoolData = dataFromApi.get(i).get();
if(returnedPoolData == null || returnedPoolData.getJsonString().isEmpty())
this.processAndStoreData(returnedPoolData, i, called
我正在尝试构建我的应用程序的APK,但是我得到了这些错误。有人知道原因吗?请帮我解决这些问题。
Error:Uncaught translation error: java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: Java heap space . Please assign more memory to Gradle in the project's gradle.properties file. For example, the following line, in the gradle.pro
我需要使用线程递归地根据Fibonacci系列中的某个索引查找数字,我尝试了下面的代码,但是程序永远不会结束。如果我遗漏了什么,请告诉我。
码
import java.math.BigInteger;
import java.util.concurrent.*;
public class MultiThreadedFib {
private ExecutorService executorService;
public MultiThreadedFib(final int numberOfThreads) {
executorService = E