/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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 text = "hello {world} this is {Stack Overflow} and this is my string";
		String[] parts = text.split("\\s(?=\\{)|(?<=\\})\\s"); 
 
		for (String part : parts)
		    System.out.println(part);
 
	}
}

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