printwriterdemo.java

来自「Java面向对象编程(随书配套源代码) 阐述了面向对象编程的思想」· Java 代码 · 共 19 行

package chapter13;
import java.io.*;
public class PrintWriterDemo
{
   public static void main(String args[]) throws IOException
   {
    	int len;
		String str="PrintWriter Demo\n";
		len=str.length( ); //获取字符串的长度
		char buf[ ]=new char[len];
		str.getChars(0,len, buf, 0); //将str中的字符写入buf字符数组
		//创建输出流对象
		OutputStreamWriter sWriter=new OutputStreamWriter(System. out);
		PrintWriter pWriter=new PrintWriter(sWriter);
		pWriter.write(str); //将str写入pWriter对象
		pWriter.flush( ); //强制输出，在屏幕上显示字符串
	}
}