Java PrintWriter append(CharSequence)用法及代碼示例

Java中的PrintWriter類的append(CharSequence)方法用於在流上寫入指定的CharSequence。此CharSequence值用作參數。

用法:

public PrintWriter append(CharSequence charSequence)

參數：此方法接受強製參數charSequence，該參數是要寫入流中的CharSequence。

返回值：此方法返回此PrintWriter實例。

下麵的方法說明了append(CharSequence)方法的用法方式：

示例1:

// Java program to demonstrate 
// PrintWriter append(CharSequence) method 
  
import java.io.*; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        try { 
  
            // Create a PrintWriter instance 
            PrintWriter writer 
                = new PrintWriter(System.out); 
  
            // Write the CharSequence 'GeeksForGeeks' 
            // to this writer using append() method 
            // This will put the charSequence in the stream 
            // till it is printed on the console 
            writer.append("GeeksForGeeks"); 
  
            writer.flush(); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

輸出：

GeeksForGeeks

示例2:

// Java program to demonstrate 
// PrintWriter append(CharSequence) method 
  
import java.io.*; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        try { 
  
            // Create a PrintWriter instance 
            PrintWriter writer 
                = new PrintWriter(System.out); 
  
            // Write the CharSequence 'GFG' 
            // to this writer using append() method 
            // This will put the charSequence in the stream 
            // till it is printed on the console 
            writer.append("GFG"); 
  
            writer.flush(); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

輸出：

GFG

相關用法

注：本文由純淨天空篩選整理自Kirti_Mangal大神的英文原創作品 PrintWriter append(CharSequence) 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。