JavaReader类案例

import java.io.File;

import java.io.FileReader;

import java.io.Reader;

//Reader类

public class ReaderDemo {

public static void main(String[] args) {

try { 

Reader reader = new FileReader("Date.json"); 

System.out.println("创建输入流："+reader.toString());

System.out.println("输入流读取字符："+reader.read());

} catch (Exception e) {

e.printStackTrace();

}

}

}