JAVA

how to remove leading space in java

import java.io.*;
public class Main {
   public static void main(String args[]) {
      String str = new String(" Jack Sparrow ");
      System.out.println("String: "+str);
      System.out.print("Result after removing leading and trailing spaces:" );
      System.out.println(str.trim() );
   }
}

java remove leading zeros

String[] in = {
    "01234",         // "[1234]"
    "0001234a",      // "[1234a]"
    "101234",        // "[101234]"
    "000002829839",  // "[2829839]"
    "0",             // "[0]"
    "0000000",       // "[0]"
    "0000009",       // "[9]"
    "000000z",       // "[z]"
    "000000.z",      // "[.z]"
};
for (String s : in) {
    System.out.println("[" + s.replaceFirst("^0+(?!$)", "") + "]");
}

java remove leading zeros

StringUtils.stripStart(yourString,"0");