Nothing much here, Just basic Java Coding that I'm wanting to learn from years!

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The Below codes, sure is handy

// if return type is List<Integer>
return Arrays.asList(a, b);

In 2D matrix, the below code is handy

// for traversing and other element level operations
for (int[] rows : matrix) {
    for (int ele : rows) {
        sum += ele;
    }
}

While using String's as char's the below code is handy,

for (char c : v.toCharArray()) {
    // something here...    
}

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Typical git-cli things,

git add . && git commit -m "" && git push origin main

# Fetch the latest changes from the remote repository
git fetch origin
git pull origin main

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The below code check

// I ain't understood a thing the below code
for (int t = n; t > 0; t /= 2) {
    b = (t % 2) + b;
}

// so I used the below abstract method
return Integer.toBinaryString(num);