OutputStreamWriter——字符流写数据

package myStreamDemo;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;

//字符流写数据
public class OutputStreamWriterDemo {
          
   
    public static void main(String[] args) throws IOException {
          
   
        //public OutputStreamWriter(OutputStream out); 
        OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream("Test\osw.txt"));

        //public void write(int c); 写一个字符
        osw.write(97); //a
        //public void flush(); 刷新流
        osw.flush();
        osw.write(98); //b
        osw.flush();
        osw.write(99); //c

        //public void write(char cbuf[]); 写一个字符数组
        char[] chs_0 = {
          
   a, b, c, d, e};
        osw.write(chs_0); //abcde

        //public void write(char cbuf[], int off, int len); 写一个字符数组的一部分
        char[] chs_1 = {
          
   a, b, c, d, e};
        osw.write(chs_1, 1, 3); //bcd

        //public void write(String str); 写一个字符串
        osw.write("abcde"); //abcde

        //public void write(String str, int off, int len); 写一个字符串的一部分
        osw.write("abcde", 1, 3); //bcd

        //关闭流，释放资源，先刷新
        osw.close();
    }
}