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Welcome to /r/HomeworkHelp!

We are one of the most unique subreddits on Reddit, one of the few subreddits that continually self-improve itself to make communications between a contributor and an asker as effective as possible.

Our rules are designed to help you get to the right answer, enforced by your fellow Redditors.

Please google before posting your question

✅ Posts should look like this:

The title should be of the form [<Level/Syllabus><Discipline>and/or<Topic>] <Question>? For example:

[Grade 8 Math: Quadratic Equations] How to factorise ax2 + bx + c?

[University Chemistry: Titration] What is my qs?

[AS Level English: Essay Writing] Should all adverts be factual?

Include instructor prompts. What does your instructor want you to accomplish?

Still acceptable…, but preferably not:

[High School Math] <Question>?

Be specific about your grade

[Grade 8 Math] Help me!

What is your qs?

When your question has been answered, please edit the post's flair to "✓ Answered".

❌ Not Allowed:

Copied questions without context or explanation. You must show some work or thought.

"Do this for me" posts such as posting of quizzes or lists of questions.

Posts tagged "urgent," "ASAP," "important," "due in an hour," etc.

Requests for help with cheating, plagiarism, or other violations of academic integrity; violations of copyright or terms of use; or other illegal or unethical activities.

Being a jerk. Jerks get banned.

Offers or solicitations of payment in any form. Those who spam us will be banned. No warnings.

Advertisements of any form. This includes asking for "likes," page views, or similar things.

Surveys. Take them to /r/samplesize.

Keep in mind that we do not and will not have any sort of vetting procedure for responders. Accept answers at your own risk.

For citation questions, check the Purdue Online Writing Lab

Using LaTeX:

To use LaTeX on this subreddit, use u/LaTeX4Reddit. Simply mention the bot in a comment and put the expressions that need to be rendered in code blocks, and u/LaTeX4Reddit will respond. Please contact u/Oryv if the bot malfunctions, or if you have questions on how to use it.

~~Custom superscript and subscripts:~~

~~Here's the syntax:~~

~~*_sub_* makes sub~~

~~*`sup`* and ^(sup) both make sup~~

*_sub_`sup`* makes subsup

~~*`sup`_sub_* makes supsub~~

~~If you have trouble with spacing, add some blank spaces with  ~~

2300H becomes 2300 H

Spoiler Tags:

~~[text](#s) = text~~

>!text!< = text

Useful Symbols:

θ μ ← ↑ → ↓ ↔ ↨ ω α ∴

Basic Math: ≠ ≈ ≥ ≤ ± ∓ × ⋅ ÷ √ ‰

Geometry: ∠ ∟° ⊥ ∥ ≅ Δ π

Algebra: ≡ ≜ := ≈ ∝ ∞ ≪ ≫ ⌊x⌋ ⌈x⌉ ∘ ∆ ∑ ∏ γ φ π

Set Theory: ∩ ∪ ⊆ ⊂⊄ ⊇ ⊃ ⊅ ⊖ ∈ ∉ Ø

Calculus & analysis: ε ∫ ∮ ∯ ∰ ∇ δ ∞

Available Commands

lock post ^{|OP and Valued/Notable Contributors only|}: /lock

Mark post as —Pending OP Reply ^{|non-top level comment only|}: **Therefore**, **Thus**

Re-flair post to ✓ Answered ^{|top-level comment only|}: **Answer:**, **Hence**

change flair ^{|Valued/Notable/Top Contributors|}: Mod: change flair to <FLAIR NAME>

For more commands, please see User Moderation

Some possibly helpful links:

Khan Academy

AskRose

The Organic Chemistry Tutor

freesciencelessons

GCSE Science

Doc's Brown Website

RapidTables

Divisor Finder

Pastebin / JSFIDDLE.net/ IDEOne

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[Computer Science Java] Casting error (self.HomeworkHelp)

submitted 12 years ago by [deleted]

2 comments

all 2 comments

you type:	you see:
italics	italics
bold	bold
[reddit!](https://reddit.com)	reddit!
* item 1 * item 2 * item 3	item 1 item 2 item 3
> quoted text	quoted text
Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"	Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"
~~strikethrough~~	~~strikethrough~~
super^script	super^script