List<String> list = Collections.singletonList( "data" );
HttpHeaders headers = new HttpHeaders();
headers.setAccept( Collections.singletonList( MediaType.APPLICATION_JSON ) );
http://www.leftso.com/blog/438.html
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List<String> list = Collections.singletonList( "data" );
HttpHeaders headers = new HttpHeaders();
headers.setAccept( Collections.singletonList( MediaType.APPLICATION_JSON ) );
http://www.leftso.com/blog/438.html
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