Could be worse, could be programming Javascript (or Typescript).
this post was submitted on 13 Nov 2024
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Forgot the JVM eating the entire machine's RAM for breakfast
JVM is like a gas. It expands to fit it's container, however large that is.
I still think Java is good for teaching newbies precisely because it will throw an error quickly if they are doing it wrong.
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My inner mathematician respects Java. The first step in any problem is defining your universe
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Must be several years old - otherwise, javafx deserves quite a bit more ire.
I'll never get the hate for java and love for python. It's like learning mandarin because you think it's easier than Spanish. When you know java you also kinda know javascript, C, Php, and others. When you know python, it's probably a government sponsored course, or a programming class talked your school district into buying their "intro to programming python course". Plus you only get to know python. I'll die on this hill
I use both professionally and I hate both of them for different reasons.
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Hello World
30 minutes of boilerplate
writing imports
$ cat <<EOF > Hello.java
public class Hello {
public static void main(String args[]) {
System.out.println("Hello world!");
}
}
EOF
$ java Hello.java
Hello world!
ok
Python:
print("Hello world!")C:
#include <stdio.h>
int main() {
printf("Hello World!");
return(0);
}
EDIT: POSIX-compatible shell:
echo "Hello World!"
Python2 is only one character longer:
print "Hello world!"
And you get proper data types too.
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I got the impression they skipped the hello world cause it was too easy and they wanted to get right to writing their app, so they moved on to more advanced stuff without having a real grasp of the basics
He types REALLY slow.
Welcome to java, we have a couple unconventional ways of doing things, but overall I'm like every other mainstream oo language.
People: AHH! Scary!
Welcome to python. your knowledge of me wont help you elsewhere as my syntax is purposefully obtuse and unique. Forget about semicolons, one missed space and your code is as worthless as you after learning this language.
People: Hello based department
Oh my god I got fucked by a python script once because of a single space. It took forever to figure out what went wrong
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Python has its drawbacks but it also has a pretty useful standard library so as a language for small scripts, one can do much worse
It is possible to dislike both. For me SmallTalk-like languages are peak. Message passing for life!
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I really enjoyed the text.
From the perspective of a python programmer it all seems valid.
A Java-Dev would probably write the same about an embedded engineer.
Honestly, I prefer C to Java, it's incredibly simple without all the BS that Java throws at you:
- interfaces - compiler will fail if you provide the wrong types; w/ Java, figuring out what types to pass is an effort unto itself
- functions - everything needs to be in a class; even callback functions are wrapped in a class (behind the scenes if you use modern Java); in C, you just pass a function
- performance - Java uses a stop the world GC, which can cause issues if you have enough data churn; in C, you decide when/if you want to allocate or free memory, no surprises
There are certainly some bad parts, but all in all, when I run into an issue in C, I know it's my fault, whereas in Java, there are a million reasons why my assumptions could be considered valid, and I have to dig around the docs to find that one sentence that tells me where I went wrong w/ the stuff I chose.
That said, I prefer Rust to both because:
- get fancy stack traces like I do in Java (I really miss stack traces in C)
- compiler catches most of my stupid mistakes, Java will just throw exceptions
- still no stupid interface hell, I just satisfy a specific trait and we're good
- generally pretty concise for what it is; I can rarely point to a piece of syntax and say it's unnecessary
I use:
- Python - scripting and small projects
- Rust - serious projects or things that need to be fast
- Go - relatively simple IO-heavy projects that need to be pretty fast
- C - embedded stuff where I don't want to mess w/ the Rust toolchain
Java has been absent from my toolbox for well over a decade, and I actively avoid it to this day because it causes me to break out in hives.
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As embedded dev, the stack trace alone scares me. It would be funny to watch the Java runtime blow the 8 frame deep stack on a PIC18 tho
Sorry, you had a small error in the spacings of your post; Therefore I cannot parse a thing you're saying. Didn't mean to scare you with a semicolon either. It's just a tool in language's to end a clause and begin a related, independent clause. That could be useful somewhere...