Java или не Java — угадайте по фрагментам кода

Java или не Java?

 
BufferedReader bufRead = new BufferedReader(new FileReader("reverseInt.txt"));
int x = Integer.valueOf(bufRead.readLine());
String reversed = new StringBuilder().append(Math.abs(x)).reverse().toString();
System.out.println((x < 0) ? Integer.parseInt(reversed) * -1 : Integer.parseInt(reversed));
bufRead.close();

Java или не Java?

 
ArrayList arr = new ArrayList();
for (var i = 0; i < input.Length; i += 2)
{
   if (char.IsDigit(input[i]))
   {
      arr.Add((int) char.GetNumericValue(input[i]));
   }
   else
    arr.Add(i);
}

Java или не Java?

 
export class AppComponent {
  title = 'frontend';

  constructor(private http: HttpClient) {

  }

  public clickFunction(): void {
    this.http.get("/api/").subscribe(value => {
      console.log(value);
    })
  }
}

Java или не Java?

 
void setup() {
  fullScreen();
  fill(0);
  int w = (width / arr.length);
  int h = (height-50) / arr.length;
  int max = arr.length - 1;
}

Java или не Java?

 
@PutMapping(value = "/activate/id/{id}")
public UserProfileEntity activateUser(@PathVariable Long id) {
     Optional user = userProfileService.findById(id);
     UserProfileEntity entity = user.get();
     entity.setIsBlocked((byte) 0);
     return userProfileService.save(entity);
}

Java или не Java?

 
@Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException {
        HttpServletResponse res = (HttpServletResponse) response;
        HttpServletRequest req = (HttpServletRequest) request;

       res.setHeader("Access-Control-Allow-Origin", "*");
       res.setHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT, OPTIONS");
        res.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Accept-Encoding, Accept-Language, Host, Referer, Connection, User-Agent, authorization, sw-useragent, sw-version");

       if ( "OPTIONS".equals(req.getMethod()) ) {
            res.setStatus(HttpServletResponse.SC_OK);
            return;
       }
        filterChain.doFilter(request, response);
   }

Java или не Java?

 
app.get('/quotes/:id', (request, response) => {
    console.log("return quote with the ID: " + request.params.id);
    db.get('SELECT * FROM Quotes WHERE rowid = ?', [request.params.id], (err, row) =>{
        if(err) {
            response.send("ERROR: " + err.message);
        }
        else {
            response.send(row);
        }
    });
});

Java или не Java?

 
private fun convert2StringComponents(expression: String): Array {
        val result = mutableListOf()
        var prevIndex = 0
        for (index in 0 until expression.length) {
            when (expression[index]) {
                '+', '-', '*', '/', '(', ')' -> {
                    if (!expression.substring(prevIndex, index).trim().isEmpty())
                        result.add(expression.substring(prevIndex, index))
                    result.add(expression[index].toString())
                    prevIndex = index + 1
                }
            }
        }
        if (prevIndex != expression.length)
            result.add(expression.substring(prevIndex, expression.length))

        return result.toTypedArray()
    }

Java или не Java?

 
private static String encode(String word) {
        var count = 0;
        StringBuilder encodedWord = new StringBuilder();
        word = word.toLowerCase();
        String[] words = word.split("");
        for (String word1 : words) {
            for (String word2 : words) {
                if (word1.equals(word2)) {
                    count++;
                }
            }
            if (count > 1) encodedWord.append(")");
            else encodedWord.append("(");
            count = 0;
        }
        return encodedWord.toString();
    }