public class StringBreaker {
	public static void main ( String[] args ) {
		StringBreaker strb = new StringBreaker ( ) ;
 
		String str = "Can someone please help me with this problem";
 
		System.out.println ( str ) ;
 
		str = strb.breakString ( str, 10 ) ;
 
		System.out.println ( str ) ;
	}
 
 	public String breakString ( String str , int perLine ) {
 
		if ( perLine <= 0 ) {
			// You may want to throw exception here.
			//I am just returning original string
			return str;
		}
 
		if ( str == null ) {
			return str;
		}
 
 
 
		// Convert the string into stringbuffer for efficient string manipulation
		StringBuffer sb = new StringBuffer ( str ) ;
 
		// Get the length of origianl string
		int len = sb.length() ;
 
		if ( len < perLine ) {
			return str;
		}
 
		/* Now we need to insert a new line character at every perLine */
 
		// Get the newline character for the specific platform
		String newLine = System.getProperty ( "line.separator" ) ;
 
		// New line is not always one character. It depends on platform
		int newLineLength = newLine.length() ;
 
		// Let us compute the total number of new lines to be added
		// Note that it will also add new line if total string length
		// happens to be multiple of perLine. If you don't want it then do a check here
		int totalNewLines = len / perLine ;
 
		// Compute the length of final string
		int finalLength = len + totalNewLines * newLineLength ;
 
 
		for ( int i = perLine ; i < finalLength; i = i + perLine + newLineLength ) {
			// Insert the new line chanrater in string now
			sb.insert ( i, newLine ) ;
		}
 
		// We are done. Return the string object out of string buffer object
		return sb.toString() ;
	}
}