title: How to remove white spaces from String in Arduino?
body: <p>Could anyone here tell me how to get rid of the white spaces of the String(a)!!</p>
  
  <pre><code> String a = "GET /?led=21 HTTP/1.1";
   void setup() {
     Serial.begin(9600);
      Serial.print(a); 
    }
   void loop() {
  
   }
  </code></pre>