Java中BufferedWriter类的newLine()方法用于将下一行分隔为新行。它用作缓冲的写程序流中的写分隔符。
用法:
public void newLine() throws IOException
参数:此方法不接受任何参数。
返回值:此方法不返回任何值。
异常:如果发生I /O错误,则此方法将引发IOException。
以下示例程序旨在说明IO包中BufferedWriter类中的newLine()方法:
程序1:
// Java program to illustrate
// BufferedWriter newLine() method
import java.io.*;
public class GFG {
public static void main(String[] args)
throws IOException
{
// Create the string Writer
StringWriter stringWriter
= new StringWriter();
// Convert stringWriter to
// bufferedWriter
BufferedWriter buffWriter
= new BufferedWriter(
stringWriter);
// Write "A" to buffer writer
buffWriter.write(65);
// Revoke newLine() method
buffWriter.newLine();
// Write "B" to buffer writer
buffWriter.write(66);
buffWriter.flush();
System.out.println(
stringWriter.getBuffer());
}
}
输出:
A B
程序2:
// Java program to illustrate
// BufferedWriter newLine() method
import java.io.*;
public class GFG {
public static void main(String[] args)
throws IOException
{
// Create the string Writer
StringWriter stringWriter
= new StringWriter();
// Convert stringWriter to
// bufferedWriter
BufferedWriter buffWriter
= new BufferedWriter(
stringWriter);
// Write "GEEKS" to buffered writer
buffWriter.write(
"GEEKSFORGEEKS", 0, 5);
// Revoke newLine() method
buffWriter.newLine();
// Write "GEEKSFORGEEKS"
// to buffered writer
buffWriter.write(
"GEEKSFORGEEKS", 0, 13);
buffWriter.flush();
System.out.println(
stringWriter.getBuffer());
}
}
输出:
GEEKS GEEKSFORGEEKS
参考文献:
https://docs.oracle.com/javase/10/docs/api/java/io/BufferedWriter.html#newLine()
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