Java StringWriter append(char)用法及代码示例

Java中的StringWriter类的append(char)方法用于在编写器上附加指定的char值。此char值用作参数。

用法:

public void append(char charValue)

参数：此方法接受强制参数charValue，该参数是要附加在编写器上的char值。

返回值：此方法不返回任何值。

以下示例程序旨在说明append(char)方法的用法：

示例1:

// Java program to demonstrate 
// StringWriter append(char) method 
  
import java.io.*; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        try { 
  
            // Create a StringWriter instance 
            StringWriter writer 
                = new StringWriter(); 
  
            // Append the char value 'A' 
            // to this writer using append() method 
            // This will put the charValue in the 
            // writer till it is appended on the console 
            writer.append('A'); 
  
            System.out.println(writer.toString()); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

输出：

示例2:

// Java program to demonstrate 
// StringWriter append(char) method 
  
import java.io.*; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        try { 
  
            // Create a StringWriter instance 
            StringWriter writer 
                = new StringWriter(); 
  
            // Append the char value 'G' 
            // to this writer using append() method 
            // This will put the charValue in the 
            // writer till it is appended on the console 
            writer.append('G'); 
  
            System.out.println(writer.toString()); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

输出：

相关用法

注：本文由纯净天空筛选整理自Code_r大神的英文原创作品 StringWriter append(char) method in Java with Examples。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。