めも。1文字だけ版。
Character character = new Character((char)Integer.parseInt("3054",16));
char[] resChar = new char[1];
resChar[0] = character.charValue();
String res = new String(resChar); // res = "お"
複数文字はChar[]をStringBufferでくっつける
Character character = new Character((char)Integer.parseInt("3054",16));
char[] resChar = new char[1];
resChar[0] = character.charValue();
String res = new String(resChar); // res = "お"
複数文字はChar[]をStringBufferでくっつける