Java 中 CharArrayWriter writeTo()方法，带示例

原文:https://www . geeksforgeeks . org/chararraywriter-write to-method-in-Java-with-examples/

Java 中 CharArrayWriter 类的 writeTo(Writer) 方法用于将 CharArrayWriter 的内容写入另一个字符流。 语法:

public void writeTo(Writer out)
             throws IOException

参数:该方法接受一个参数输出，该参数代表作为目标流的输出流。 返回值:此方法不返回值。 异常:如果出现输入输出错误，该方法抛出 IOException 。 下面的程序说明了 IO 包中 CharArrayWriter 类的 writeTo(Writer)方法: 程序 1:

Java 语言(一种计算机语言，尤用于创建网站)

// Java program to illustrate
// CharArrayWriter writeTo(Writer) method

import java.io.*;

public class GFG {
    public static void main(String[] args)
        throws IOException
    {

        // Create charArrayWriter
        CharArrayWriter charArrayWriter
            = new CharArrayWriter();

        String str = "GEEKS";

        charArrayWriter.write(str);

        // Create outputStream
        CharArrayWriter out
            = new CharArrayWriter();

        charArrayWriter.writeTo(out);

        // print the outputStream
        System.out.println(
            out.toString());
    }
}

Output:

GEEKS

节目 2:

Java 语言(一种计算机语言，尤用于创建网站)

// Java program to illustrate
// CharArrayWriter writeTo(Writer) method

import java.io.*;

public class GFG {
    public static void main(String[] args)
        throws IOException
    {

        // Create charArrayWriter
        CharArrayWriter charArrayWriter
            = new CharArrayWriter();

        charArrayWriter.write("GEEKSFORGEEKS");

        // Create outputStream
        CharArrayWriter out
            = new CharArrayWriter();

        charArrayWriter.writeTo(out);

        // print the outputStream
        System.out.println(
            out.toString());
    }
}

Output:

GEEKSFORGEEKS

参考文献: https://docs . Oracle . com/javase/10/docs/API/Java/io/chararraywriter . html # write to(Java . io . writer)

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