Questions tagged [.class-file]
Class files are the format used by the Java Virtual Machine.
.class-file
285
questions
0
votes
0
answers
28
views
Code Runner creates .class files along with the .java files in my src folder rather than bin (VS Code)
It works fine when I run it through the Java Extension Pack, though I would much prefer to use Code Runner for all my projects in all languages if that is at all possible. If anyone can help me I will ...
- 1
1
vote
2
answers
122
views
static java reflection - enum of fields of a class (pre-compilation)
is there a type of reflection in Java that provides simply an enum of the fields in a class?
The information is, afterall, "precompilation-static". Why should it not be compiled into the ...
- 37
0
votes
2
answers
75
views
". java" files which are saved in "d" and "e" drives, Didn't get compiled (Files were run from the VScode)
My hard drive has 3 partitions as c, d and e.
c drive is the main one.
I'm running these following codes through the VScode.Not the CMD or PowerShell also I didn't used the terminal section of the ...
- 13
0
votes
1
answer
230
views
Compile Java class files with external multiple jars using Javac
.java files are present in this folder exposeservices .
I am trying to convert these .java files to .class files using the below command.
These .java files have import statements so I have downloaded ...
- 1,681
2
votes
2
answers
10k
views
How to decompile Java Class file in VS Code
enter image description here
So I'm a new java developer and VS code is currently the platform I use. To my understanding every time you create a new object in Java, a class file should be generated ...
- 23
0
votes
1
answer
288
views
what is the file encoding type for java class file?
What is the file encoding type used for Java class files?
I am not referring to the file.encoding or Charset.defaultCharset() properties.
When javac compiles a .java file to a .class file and saves ...
- 115
0
votes
1
answer
95
views
Why only one .class file is created in java & which is declared first?
In Java:
class A{}
class a{}
after compilation : A.class
class a{}
class A{}
after compilation : a.class
Why only one class created?
the first we declared only that .class file generated
Please ...
-1
votes
1
answer
125
views
'package does not exist' using javac to convert .java class with google play services imports
I have a .java class which uses imports from google play services. I want to put this class in a .jar to package with my project, but using javac filename.java in the terminal gives me a bunch of ...
0
votes
2
answers
367
views
How to implements interface from .class file in .java file?
I have homework that asks me to use a .class file for my project, but I don't know how to use those files in a .java file. This is the project structure
agentes.class
datos_confidenciales.class
...
- 13
1
vote
1
answer
471
views
how to map parameter annotations to corresponding method parameter in classfile using asm
As per the jvms-4.7.18 :
The i'th entry in the parameter_annotations table may, but is not required to, correspond to the i'th parameter descriptor in the method descriptor (§4.3.3).
For example, a ...
- 675
1
vote
1
answer
114
views
how to show method parameter access_flags in java classfile
I tried to use javap -v on the classfile, but there is no information about method parameter's access_flags as defined in jvm-4.7.24 .
Is there another tool or approach to show them?
- 675
1
vote
0
answers
151
views
How to syntax highlight a hex dump of JVM classfile?
I'm studying binary file structure of JVM classfile.
My current toolbox consists of $ xxd <classfile> and $ javap -v <classfile>.
Sample outputs of these two tools are as follows:
$ xxd ...
- 31
0
votes
2
answers
45
views
why is the Java constant_pool memort allocation defined as having size constant_pool_count-1
The java class definition (docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html) looks like:
ClassFile {
u4 magic;
u2 minor_version;
u2 major_version;
...
- 364
0
votes
2
answers
317
views
Get java compiler version of a class file using xxd
I need to get the version of java that was used to compile a class file from a linux machine that doesn't have java. I have learned from a comment on this post that this is possible using xxd.
...
- 1,624
0
votes
0
answers
356
views
.class file too large
I have a kotlin file with a function that returns a list of strings with 10,000 elements, but when compiling it generates an error, saying that the .class file is too large. What I can do?
return ...
- 179