Java.io.StringReader.read Char() 方法 Java.io.StringReader.read() 方法 Java.io.StringReader.ready() 方法 Java.io.StringReader.read Char() 方法 package com.codingdict; import java.io.*; public class StringReaderDemo { public static void main(String[] args) { String s = "Hello world"; // create a StringReader StringReader reader = new StringReader(s); // create a char array to read chars into char cbuf[] = new char[5]; try { // read characters into a portion of an array. reader.read(cbuf, 0, 5); // print cbuf System.out.println(cbuf); // Close the stream reader.close(); } catch (IOException ex) { ex.printStackTrace(); } } } Java.io.StringReader.read() 方法 Java.io.StringReader.ready() 方法