题目内容
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(); }
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