Which of the following is NOT a valid access modifier in Java?
Anonymous Quiz
17%
private
19%
protected
64%
global
👍4🔥1
👍2
Which of the following is the correct way to declare a constant variable in Java?
Anonymous Quiz
36%
constant int x = 10;
44%
final int x = 10;
20%
int final x = 10;
🔥2❤1
What is the purpose of the volatile keyword in Java?
Anonymous Quiz
44%
To prevent the JVM from optimizing the variable during runtime
43%
To ensure that updates to a variable are visible across all threads
13%
To guarantee atomicity of operations on the variable
👍1🔥1
Which of the following can lead to a StackOverflowError in Java?
Anonymous Quiz
31%
Infinite recursion
43%
An excessively large object heap
25%
A deadlock situation between threads
❤1
In Java, which of the following is a characteristic of a synchronized block?
Anonymous Quiz
50%
It allows multiple threads to access the synchronized block simultaneously, improving performance.
43%
It ensures that only one thread can execute the block of code at a time
6%
It forces the execution of code in the block to occur asynchronously
❤1🔥1
10 Remote IT Job Sites👨🏻💻💼
These sites will help you find your dream job, working from home🏠👌
Angel.co
Remote.co
Remoteok.io
Remotive.io
Flexjobs.com
Justremote.co
Remotefront.io
Powertofly.com
Skipthedrive.com
Virtualvocations.com
#joboffers
These sites will help you find your dream job, working from home🏠👌
Angel.co
Remote.co
Remoteok.io
Remotive.io
Flexjobs.com
Justremote.co
Remotefront.io
Powertofly.com
Skipthedrive.com
Virtualvocations.com
#joboffers
👍6🔥2❤1
--- Git Commands ---
🏗️ git init | Initialize a new Git repository
🔄 git clone <repo> | Clone a repository
📊 git status | Check the status of your repository
➕ git add <file> | Add a file to the staging area
📝 git commit -m "message" | Commit changes with a message
🚀 git push | Push changes to a remote repository
⬇️ git pull | Fetch and merge changes from a remote repository
--- Branching ---
🌿 git branch | List branches
🌱 git branch <name> | Create a new branch
🔀 git checkout <branch> | Switch to a branch
🔧 git merge <branch> | Merge a branch into the current branch
🔄 git rebase <branch> | Reapply commits on top of another base branch
--- Undo & Fix Mistakes ---
🔙 git reset --soft HEAD~1 | Undo last commit but keep changes
🚫 git reset --hard HEAD-1 | Undo last commit and discard changes
⏪ git revert <commit> | Create a new commit that undoes changes from a specific commit
--- Logs & History ---
📜 git log | Show commit history
🌐 git log --oneline --graph --all | Pretty graph of commit history
--- Stashing ---
🎒 git stash | Save changes without committing
🎭 git stash pop | Apply stashed changes and remove them from stash
--- Remote & Collaboration ---
🌍 git remote -v | View remote repositories
📡 git fetch | Fetch changes without merging
🕵️ git diff | Compare changes
#techinfo
🏗️ git init | Initialize a new Git repository
🔄 git clone <repo> | Clone a repository
📊 git status | Check the status of your repository
➕ git add <file> | Add a file to the staging area
📝 git commit -m "message" | Commit changes with a message
🚀 git push | Push changes to a remote repository
⬇️ git pull | Fetch and merge changes from a remote repository
--- Branching ---
🌿 git branch | List branches
🌱 git branch <name> | Create a new branch
🔀 git checkout <branch> | Switch to a branch
🔧 git merge <branch> | Merge a branch into the current branch
🔄 git rebase <branch> | Reapply commits on top of another base branch
--- Undo & Fix Mistakes ---
🔙 git reset --soft HEAD~1 | Undo last commit but keep changes
🚫 git reset --hard HEAD-1 | Undo last commit and discard changes
⏪ git revert <commit> | Create a new commit that undoes changes from a specific commit
--- Logs & History ---
📜 git log | Show commit history
🌐 git log --oneline --graph --all | Pretty graph of commit history
--- Stashing ---
🎒 git stash | Save changes without committing
🎭 git stash pop | Apply stashed changes and remove them from stash
--- Remote & Collaboration ---
🌍 git remote -v | View remote repositories
📡 git fetch | Fetch changes without merging
🕵️ git diff | Compare changes
#techinfo
❤2👍2🙏2🔥1
What quiz should I post today?🤔
Anonymous Poll
39%
Python
34%
Html + CSS
15%
General IT
22%
AI + Machine Learning
20%
SQL
14%
C++
7%
Other (Leave Comment)
🔥2👍1
What is the correct way to define a class in Python?
Anonymous Quiz
58%
def MyClass:
10%
new MyClass:
32%
class MyClass:
👍2🔥2
❤2👍1😭1
❤3👍1😭1
What is the default return value of a function that does not return anything explicitly?
Anonymous Quiz
26%
False
46%
None
28%
0
👍2🔥2
🔥2❤1👍1😭1
❤3👍3😭1
Which method is used to remove an item from a list by value?
Anonymous Quiz
42%
pop()
55%
remove()
3%
discard()
🔥3❤1😭1
How do you check if a key exists in a dictionary?
Anonymous Quiz
29%
key in dict
39%
dict.has_key(key)
33%
exists(dict, key)
❤2😭2👍1