Java CharArrayWriter close()用法及代碼示例

Java中CharArrayWriter類的close()方法用於關閉當前流。

用法：

public void close()

參數：此方法不接受任何參數。

返回值：此方法關閉當前流。但是，它不會釋放緩衝區。

以下示例程序旨在說明上述方法：

示例1:

// Java program to illustrate 
// the close() method 
  
import java.io.*; 
  
public class GFG { 
    public static void main(String[] args) 
        throws IOException 
    { 
  
        // Initailizing the character array 
        char[] geek 
            = { 'G', 'E', 'E', 'K', 'S' }; 
  
        // Initailizing the CharArrayWriter 
        CharArrayWriter char_array1 
            = new CharArrayWriter(); 
  
        for (int c = 72; c < 77; c++) { 
            // Use of write(int char) 
            // Writer int value to the Writer 
            char_array1.write(c); 
        } 
  
        // Use of size() method 
        System.out.println("\nSize of char_array1 : "
                           + char_array1.size()); 
  
        // Close the current stream 
        char_array1.close(); 
    } 
}

輸出：

Size of char_array1 : 5

示例2:

// Java program to illustrate 
// the close() method 
  
import java.io.*; 
  
public class GFG { 
    public static void main(String[] args) 
        throws IOException 
    { 
  
        // Initailizing the character array 
        char[] geek 
            = { 'G', 'O', 'P', 'A', 'L', 'L' }; 
  
        // Initailizing the CharArrayWriter 
        CharArrayWriter char_array1 
            = new CharArrayWriter(); 
  
        for (int c = 72; c < 78; c++) { 
            // Use of write(int char) 
            // Writer int value to the Writer 
            char_array1.write(c); 
        } 
  
        // Use of size() method 
        System.out.println("\nSize of char_array1 : "
                           + char_array1.size()); 
  
        // Close the current stream 
        char_array1.close(); 
    } 
}

輸出：

Size of char_array1 : 6

參考： https://docs.oracle.com/javase/10/docs/api/java/io/CharArrayWriter.html#close()

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注：本文由純淨天空篩選整理自gopaldave大神的英文原創作品 CharArrayWriter close() method in Java with examples。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。