Answers for "convert arraybuffer to string javascript"

convert bytebuffer to string

String s = StandardCharsets.UTF_8.decode(byteBuffer).toString();

js string to arraybuffer

if (!("TextEncoder" in window)) 
  alert("Sorry, this browser does not support TextEncoder...");

var enc = new TextEncoder(); // always utf-8
console.log(enc.encode("This is a string converted to a Uint8Array"));

convert stringbuffer to string in java

str.toString();