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8 votes
1 answer
211 views

Here's a minimal demo: public class OuterStaticNestedDemo<E> { class Outer { static class StaticNested {} } void qualifiedNew(Outer outer) { new Outer.StaticNested();...
Advice
0 votes
3 replies
108 views

Note. I hope "why" questions do fall into the "other" category. This compiles. class MyClass { private static final String STRING; static { STRING = "abc&...
3 votes
1 answer
114 views

I'm curious to know why I get this error when compiling my java file from the terminal. I expect the program to compile into an executable file, yet instead I get errors about my packages not existing....
Lucy's user avatar
  • 105
1 vote
0 answers
76 views

I'm learning Java and experimenting with compiling source files. I understand that Java is case-sensitive, and that the filename must match the public class name exactly — including the case. public ...
2 votes
1 answer
150 views

I have a Maven parent POM that configures the Maven Compiler Plugin like this: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</...
1 vote
1 answer
160 views

So I got to know that javac compiler is written in Java. And JVM converts the bytecode (compiled Java code) to machine code for execution. Two questions: If javac is written in Java, does compiling ...
7 votes
1 answer
345 views

I found this minimal set of code which seems to break any Java version I can find. (Also reproducible in https://www.onlinegdb.com/online_java_compiler with Java 23.0.2+7-58). The example is not meant ...
ruohola's user avatar
  • 24.9k
0 votes
1 answer
215 views

I am new to ktor and am following the ktor tutorial (https://ktor.io/docs/server-create-a-new-project.html) and am unable to build the sample app (5th step of unpacking, https://ktor.io/docs/server-...
1 vote
1 answer
697 views

I am working on a project expecting Maven to resolve version issues and dependencies but keeps crashing on compile phase. First I had the known "unknown reference" for jdk 24: [JAVAC][com....
-2 votes
1 answer
152 views

The compiler compiles the source code into bytecode that is then converted into machine code by the JVM or the JIT compiler. If the JIT compiler converts the bytecode to machine code then there is no ...
1 vote
0 answers
124 views

I have the following simple POM, with only one .java file in src/main/java: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0&...
3 votes
1 answer
128 views

Here is the code: import java.util.Random; public class StringConcatCompilerOptimization { private static long compute() { var random = new Random(); var l = random.nextLong(); ...
0 votes
0 answers
62 views

I've very recently begun working with Ant as my primary buildtool, and have been enjoying it so much that I really would rather stick with it for a while. The only frustrating issue I've run into is ...
2 votes
0 answers
323 views

I am encountering an issue while trying to run my React Native application on Android using the command: react-native run-android The build fails with the following error: Could not determine the ...
1 vote
2 answers
285 views

I'm new to java and currently using open-jdk and javac 21 and Eclipse IDE. I'm trying to import om.sun.tools.javac.util.Pair and getting the error - "The type com.sun.tools.javac.util.Pair is not ...
Suga's user avatar
  • 115

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