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Lua is a lightweight, high-level programming language designed for embedded use in applications.
Java is a high-level programming language developed by Sun Microsystems. It was originally designed for developing programs for set-top boxes and handheld devices, but later became a popular choice for creating web applications.
function isPalindrome(str)
local clean = string.lower(string.gsub(str, "[^%w]", ""))
return clean == string.reverse(clean)
end
-- Example usage
print(isPalindrome("A man, a plan, a canal: Panama")) -- true
print(isPalindrome("race a car")) -- false
public class PalindromeChecker {
public static boolean isPalindrome(String str) {
String cleanStr = str.toLowerCase().replaceAll("[^a-z0-9]", "");
return cleanStr.equals(new StringBuilder(cleanStr).reverse().toString());
}
public static void main(String[] args) {
System.out.println(isPalindrome("A man, a plan, a canal: Panama")); // true
System.out.println(isPalindrome("race a car")); // false
}
}
function bubbleSort(arr)
local n = #arr
for i = 1, n do
for j = 1, n - i do
if arr[j] > arr[j + 1] then
arr[j], arr[j + 1] = arr[j + 1], arr[j]
end
end
end
return arr
end
local arr = {64, 34, 25, 12, 22, 11, 90}
local sorted = bubbleSort(arr)
print(table.concat(sorted, " "))
public class BubbleSort {
public static void bubbleSort(int[] arr) {
int n = arr.length;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n - i - 1; j++) {
if (arr[j] > arr[j + 1]) {
int temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
}
public static void main(String[] args) {
int[] arr = {64, 34, 25, 12, 22, 11, 90};
bubbleSort(arr);
System.out.println(Arrays.toString(arr));
}
}
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