runtimeexception

问题 For my Java class, we are asked to add a semicolon to a working for statement and explain why the output is what it is. I don't understand why adding the semicolon creates an erroneous tree type error resulting in the code being unable to compile. Below the code is the output; I have also added backslashes to the any tag because it wasn't displaying otherwise. So, why does a semicolon after a for statement cause such an error? Thanks in advance. package fordemo; import java.util.Scanner;

问题 I throw a bunch of custom runtime exceptions in my code and I want to make sure that in all public methods, I document which runtime exception might be thrown ( by myself ) and why. This would be very hulpful since I'm maintaining a library which is used by many projects and I want it to be upfront and predictable regarding thrown (runtime) exceptions. Is there a compiler option, maven plugin, Intellij plugin or custom tool that can help me find missed throws clauses? With checked exceptions

问题 An android application that I am currently developing was crashing (fixed that), due to what should have raised an IndexOutOfBoundsException. I was accessing a string in the doInBackground method of a class that extends AyncTask, from the variable arguments parameter (ie String...). I was accidentally accessing index 1 (not 0) of a one element variable argument string (mildly embarrassing...). When the application first crashed I looked at my logcat, (and many times again to confirm that I

问题 From Google Play Console, java.lang.RuntimeException occurs without " Caused by: " The below log is copied from Google Play Console Crash log. This is for: Android 8.0, Android 8.1, Android 7.0, Android 7.1 java.lang.RuntimeException: at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2955) at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3030) at android.app.ActivityThread.-wrap11 (Unknown Source) at android.app.ActivityThread$H.handleMessage

问题 From Google Play Console, java.lang.RuntimeException occurs without " Caused by: " The below log is copied from Google Play Console Crash log. This is for: Android 8.0, Android 8.1, Android 7.0, Android 7.1 java.lang.RuntimeException: at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2955) at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3030) at android.app.ActivityThread.-wrap11 (Unknown Source) at android.app.ActivityThread$H.handleMessage

问题 I have Parse initialization in a class named (ParseInitialization.java) that extends Application and while running my application (MainActivity.java) I got a RuntimeException and whene I call Parse.initialize inside onCreate in (MainActivity.java) I got a NullpointException here is my code: MainActivity.java package com.example.baharat2; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener;

问题 I have Parse initialization in a class named (ParseInitialization.java) that extends Application and while running my application (MainActivity.java) I got a RuntimeException and whene I call Parse.initialize inside onCreate in (MainActivity.java) I got a NullpointException here is my code: MainActivity.java package com.example.baharat2; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener;

问题 I have microservices project with Spring Cloud, the snippet from parent: <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.7.RELEASE</version> </parent> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Dalston.SR3</version> <type>pom</type> <scope>import</scope> </dependency> All services are running under Eureka server:

问题 My application was running fine until i added the following code to add an options Menu to my main Activity: @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.wantlist_menu, menu); return true; } The Menu Resource looks as follows: <?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:enabled="true" android:visible="true" android:id="@+id/clearImageCashe"

问题 In a spring data rest project i use a custom RuntimeException to be called in a custom Deserializer public class LocalDateDeserializer extends StdDeserializer<LocalDate> { ... @Override public LocalDate deserialize(JsonParser jsonparser, DeserializationContext context) throws IOException, JsonProcessingException { String date = jsonparser.getText(); String name = jsonparser.getCurrentName(); try { return LocalDate.parse(date, DateTimeFormatter.ISO_LOCAL_DATE); } catch (DateTimeParseException