BufferedWriter是一个()。
A、字符流
B、字节流
C、输入流
D、节点流
A、字符流
B、字节流
C、输入流
D、节点流
A、w即可以是PrintWriter类型,也可以足BufferedWriter类型。 B、w即不可以是PrintWriter类型,也不可以足BufferedWriter类型。 C、w可以是BufferedWriter类型,但不可以是PrintWriter类型。 D、 w以是PrintWriter类型,但不可以是BufferedWriter类型。
A、A. PrintWriter prtWtr = new PrintWriter(f); B、B. PrintWriter prtWtr = new PrintWriter(fw); C、C. PrintWriter prtWtr = new PrintWriter(bw); D、D. BufferWriter bufWtr = new BufferedWriter(f); E、E. BufferWriter bufWtr = new BufferedWriter(fw); F、F. BufferWriter bufWtr = new BufferedWriter(bw);
A、 PrintWriter prtWtr = new PrintWriter(f); B、 PrintWriter prtWtr = new PrintWriter(fw); C、 PrintWriter prtWtr = new PrintWriter(bw); D、 BufferWriter bufWtr = new BufferedWriter(f); E、 BufferWriter bufWtr = new BufferedWriter(fw); F、 BufferWriter bufWtr = new BufferedWriter(bw);
A、 PrintWriter prtWtr = new PrintWriter(f); B、 PrintWriter prtWtr = new PrintWriter(fw); C、 PrintWriter prtWtr = new PrintWriter(bw); D、 BufferWriter bufWtr = new BufferedWriter(f); E、 BufferWriter bufWtr = new BufferedWriter(fw); F、 BufferWriter bufWtr = new BufferedWriter(bw);
A、PrintWriter prtWtr = new PrintWriter (f); B、PrintWriter prtWtr = new PrintWriter( fw); C、PrintWriter prtWtr = new PrintWriter(bw): D、BufferWriter bufWtr = new BufferedWritr(f); E、BufferWriter bufWtr = new BufferedWriter(fw); F、BufferWriter bufWtr = new BufferedWriter (bw):