[Java基础]字节,字符打印流
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代码如下：
package PrintWriterPack;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class PrintWriterDemo {
public static void main(String[] args) throws FileNotFoundException {
PrintWriter pw = new PrintWriter("D:\\\\JavaDemo\\\\pw.txt");
pw.write("hello");
pw.write("\\r\\n");
pw.flush();
pw.write("\\r\\n");
pw.write("world");
pw.flush();
pw.close();
}
}
package PrintWriterPack;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class PrintWriterDemo {
public static void main(String[] args) throws FileNotFoundException {
PrintWriter pw = new PrintWriter("D:\\\\JavaDemo\\\\pw.txt");
pw.println("hello");
pw.flush();
pw.println("world");
pw.flush();
pw.close();
}
}
package PrintWriterPack;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
public class PrintWriterDemo {
public static void main(String[] args) throws IOException {
PrintWriter pw = new PrintWriter(new FileWriter("D:\\\\JavaDemo\\\\pw.txt"),true);
pw.println("hello");
pw.println("world");
pw.close();
}
}
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