Failing to qualify for the knockout stages means an early flight home for Roy Hodgson's side, but with Barkley among a host of fresh blood deployed in Brazil, the midfielder is optimistic over his nation's hopes for the future.
"It was brilliant to be out there in my first competitive start," he said after the match. "We kept a clean sheet and we've got to take positives from the game.
"I'm happy with my performance but overall I thought the team did well and defended well. Unfortunately we didn't get the win but we've got to learn from these situations."
He continued: "It's a big disappointment from my point of view but you've got to experience these type of things to learn. I'm a young lad and hearing advice from [the likes of Steven Gerrard and Frank Lampard] throughout this tournament has helped me and will help the other young lads for the future.
"I think I have benefited from it, as well as the others. Even though we didn't do well on the pitch, I thought being around all the experienced players has been good for us."
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