/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.format.* ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String example = "20180531_132001Z";
		DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd_HHmmssX");
		ZonedDateTime dateTime = ZonedDateTime.parse(example, formatter);
 
		System.out.println( dateTime );
	}
}

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