"空" U+7A7A(CJK UNIFIED IDEOGRAPH-7A7A) Unicode 文字

char c = '\u7A7A';
printf("%c\n", c);  // Output: 空

JavaScript:

const char = '\u7A7A';
console.log(char);  // Output: 空

Java:

char c = '\u7A7A';
System.out.println(c);  // Output: 空

JSON:

{"text": "\u7A7A"}  // Value: 空

Python:

char = '\u7A7A'
print(char)  # Output: 空

Perl:

my $char = "\x{7A7A}";
print $char;  # Output: 空

PHP:

$char = "\x{7A7A}";
echo $char;  // Output: 空

Ruby:

char = "\u{7A7A}"
puts char  # Output: 空

Rust:

let c = '\u{7A7A}';
println!("{}", c);  // Output: 空

Go:

char := '\u7A7A'
fmt.Printf("%c\n", char)  // Output: 空

CSS:

/* CSS content property */
.element::before {
content: "\007A7A";  /* Display: 空 */
}

HTML Decimal:

<p>HTML decimal: &#31354;</p>  <!-- Display: 空 -->

HTML Hexadecimal:

<p>HTML hex: &#x7A7A;</p>  <!-- Display: 空 -->

URL Encoding:

// 空 URL encoding
https://unicodefinder.com/search.php?query=%E7%A9%BA

MD5:

b7612b71c08547dbd9309a2ec66b0785

SHA1:

82ca4a6ba6356d5043cb9061592906f783e06552

Base64:

56m6

"空" U+7A7A(CJK UNIFIED IDEOGRAPH-7A7A)