/* 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 input = "abcdefghijkl" ;
 
System.out.println( "abcdefghijkl".substring(0 , 10 ) ) ;
 
String output = 
    ( input.length() > 10 )          // If too long…
    ?                                
    input     
    .substring( 0 , 10 - 1 )     // Take just the first part, adjusting by 1 for zero-based index counting, and adjusting by 1 again to replace that last character with an ellipsis.
    .concat( "…" )                   // Add the ellipsis character.
    :                                // Or, if not too long…
    input                            // Just return original string.
;
 
System.out.println( "output: " + output ) ;
	}
}

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