java - How can I get the byte value in a Map -

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this question has answer here:

i value of byte inside map object. 

map<string, object> data = new hashmap<>(); data.put("foo", new byte[]{4});  system.out.println(data.get("foo"));

what i'm getting this... [b@1a779dce

please me.

as adding object map not byte[] need cast it.

map<string, object> data = new hashmap<>(); data.put("foo", new byte[]{4,3,1,2}); system.out.println(arrays.tostring((byte[])data.get("foo")));

output

[4,3,1,2]

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