/* 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 = "🥦_Salade verte";
 
        /* We should avoid using endIndex = 1, as it will cause an invalid character in the returned substring. */
        // 1 : ?
        System.out.println("1 : " + text.substring(0, 1));
 
        // 2 : 🥦
        System.out.println("2 : " + text.substring(0, 2));
 
        // 3 : 🥦_
        System.out.println("3 : " + text.substring(0, 3));
 
        // 4 : 🥦 S
        System.out.println("4 : " + text.substring(0, 4));
 
	}
}

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