Question

这是我的代码

/ * 错误：内部错误：（java.io.IOException）无法创建空文件：C：\ Users \ ????????????????????。IdeaIC2019.3 \ system \ compile -server \ codewithsujit_25647921 \ timestamps \ data java.io.IOException：无法创建空文件：C：\ Users \ ????????????????????。IdeaIC2019.3 \ system \ compile-server \ codewithsujit_25647921 \ timestamps \数据在com.intellij.util.io.PersistentEnumeratorBase。（PersistentEnumeratorBase.java:175）在com.intellij.util.io.PersistentBTreeEnumerator。（PersistentBTreeEnumerator.java:73）在com.intellij.util.io.PersistentEnumeratorDelegate。（PersistentEnumeratorDelegate.java:47）在com.intellij.util.io.PersistentHashMap。（PersistentHashMap.java:149）在com.intellij.util.io.PersistentHashMap。（PersistentHashMap.java:138）在com.intellij.util.io.PersistentHashMap。（PersistentHashMap.java:129）在com.intellij.util.io.PersistentHashMap。（PersistentHashMap.java:121）在com.intellij.util.io.PersistentHashMap。（PersistentHashMap.java:114）在org.jetbrains.jps.incremental.storage.JpsPersistentHashMap。（JpsPersistentHashMap.java:20）在org.jetbrains.jps.incremental.storage.AbstractStateStorage.createMap（AbstractStateStorage.java:118）在org.jetbrains.jps.incremental.storage.AbstractStateStorage。（AbstractStateStorage.java:26）在org.jetbrains.jps.incremental.storage.FileTimestampStorage。（FileTimestampStorage.java:27）在org.jetbrains.jps.incremental.storage.ProjectStamps。（ProjectStamps.java:39）在org.jetbrains.jps.incremental.storage.ProjectTimestamps。（ProjectTimestamps.java:19）在org.jetbrains.jps.cmdline.BuildRunner.load（BuildRunner.java:111）在org.jetbrains.jps.cmdline.BuildSession.runBuild（BuildSession.java:274）在org.jetbrains.jps.cmdline.BuildSession.run（BuildSession.java:130）在org.jetbrains.jps.cmdline.BuildMain $ MyMessageHandler.lambda $ channelRead0 $ 0（BuildMain.java:232）在java.base / java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1128）在java.base / java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:628）在java.base / java.lang.Thread.run（Thread.java:834）请执行完整的项目重建（构建|重建项目）* /

Answer 1

您缺少花括号。花括号告诉Java类，方法或语句在哪里开始和停止。

public class Main{
    public static void main(String[] args){
        System.out.println("test");
    }
}

您可以阅读有关curly braces here的更多信息。
Intellij还告诉您，您缺少花括号，如此处所示 here。
Here is some more information to help you understand.

为什么我每次运行IntelliJ IDEA都会显示致命错误？

1 个答案: