Which of the following are correct in initializing String objects. $($Multiple answers$)$

String $s=$ "asd";

String $s=$ new String$("$asd$")$;

String $s=$ new String$()$;

String $s=$ new String$(\{\text{'}$y$,\text{'}\text{'}$n$\text{'},\text{'}$I$\text{'}\})$;