[Q#5290588][A#5290628] How can I extract the first 4 digits from an int? (Java)

https://stackoverflow.com/q/5290588

I'm looking to find a way to convert a string to an int in order to then extract and return the first 4 digits in this int. Note: It must remain as a String for the other methods to work properly, though.

Answer

https://stackoverflow.com/a/5290628

Try following: Wherever you want integer for first four character use intForFirst4Char and where you wanna use string use appropriate. Hope this helps.

APIzation

String str = "1234567890";
int fullInt = Integer.parseInt(str);
String first4char = str.substring(0,4);
int intForFirst4Char = Integer.parseInt(first4char);

package com.stackoverflow.api;

public class Human5290628 {

  public static int extractFirstFourIntsFromString(String str) {
    int fullInt = Integer.parseInt(str);
    String first4char = str.substring(0, 4);
    return Integer.parseInt(first4char);
  }
}

package com.stackoverflow.api;

/**
 * How can I extract the first 4 digits from an int? (Java)
 *
 * @author APIzator
 * @see <a href="https://stackoverflow.com/a/5290628">https://stackoverflow.com/a/5290628</a>
 */
public class APIzator5290628 {

  public static int extractDigit(String str) throws Exception {
    int fullInt = Integer.parseInt(str);
    String first4char = str.substring(0, 4);
    return Integer.parseInt(first4char);
  }
}