单选题Which method implementations will write the given string to a file named "file"， using UTF8 encoding？（） IMPLEMENTATION a： public void write（String msg） throws IOException { FileWriter fw = new FileWriter（new File（"file"））； fw.write（msg）； fw.close（）； } IMPLEMENTATION b： public void write（String msg） throws IOException { OutputStreamWriter osw = new OutputStreamWriter（new FileOutputStream（"file"）， "UTF8"）； osw.write（msg）； osw.close（）； } IMPLEMENTATION c： public void write（String msg） throws IOException { FileWriter fw = new FileWriter（new File（"file"））； fw.setEncoding（"UTF8"）； fw.write（msg）； fw.close（）； } IMPLEMENTATION d： public void write（String msg） throws IOException { FilterWriter fw = FilterWriter（new FileWriter（"file"）， "UTF8"）； fw.write（msg）； fw.close（）； } IMPLEMENTATION e： public void write（String msg） throws IOException { OutputStreamWriter osw = new OutputStreamWriter（ new OutputStream（new File（"file"））， "UTF8" ）； osw.write（msg）； osw.close（）； }AImplementation a.BImplementation b.CImplementation c.DImplementation d.EImplementation e.
单选题
Which method implementations will write the given string to a file named "file"， using UTF8 encoding？（） IMPLEMENTATION a： public void write（String msg） throws IOException { FileWriter fw = new FileWriter（new File（"file"））； fw.write（msg）； fw.close（）； } IMPLEMENTATION b： public void write（String msg） throws IOException { OutputStreamWriter osw = new OutputStreamWriter（new FileOutputStream（"file"）， "UTF8"）； osw.write（msg）； osw.close（）； } IMPLEMENTATION c： public void write（String msg） throws IOException { FileWriter fw = new FileWriter（new File（"file"））； fw.setEncoding（"UTF8"）； fw.write（msg）； fw.close（）； } IMPLEMENTATION d： public void write（String msg） throws IOException { FilterWriter fw = FilterWriter（new FileWriter（"file"）， "UTF8"）； fw.write（msg）； fw.close（）； } IMPLEMENTATION e： public void write（String msg） throws IOException { OutputStreamWriter osw = new OutputStreamWriter（ new OutputStream（new File（"file"））， "UTF8" ）； osw.write（msg）； osw.close（）； }
A
Implementation a.
B
Implementation b.
C
Implementation c.
D
Implementation d.
E
Implementation e.
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