FilterReader.read()方法示例

FilterReader.read()具有以下语法。

public int read()  throws IOException  

示例

在下面的代码中展示了如何使用FilterReader.read()方法。

import java.io.FilterReader;  import java.io.Reader;  import java.io.StringReader;    public class Main {// from  ｗ ｗW.yI  I B A I .CO m     public static void main(String[] args) throws Exception {        int i = 0;      char c;        // create new reader      Reader r = new StringReader("ABCDEF");        // create new filter reader      FilterReader fr = new FilterReader(r) {      };        // read till the end of the stream      while ((i = fr.read()) != -1) {        // converts integer to character        c = (char) i;          // print        System.out.println("Character read: " + c);      }      }  }  

上面的代码生成以下结果。

Character read: A  Character read: B  Character read: C  Character read: D  Character read: E  Character read: F  

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