Java中Writer類的append(char)方法用於將指定的char值附加到writer上。此char值用作參數。
用法:
public void append(char charValue)
參數:此方法接受強製參數charValue,該參數是要附加在編寫器上的char值。
返回值:此方法不返回任何值。
下麵的方法說明了append(char)方法的用法方式:
示例1:
// Java program to demonstrate
// Writer append(char) method
import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
// Create a Writer instance
Writer writer
= new PrintWriter(System.out);
// 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');
writer.flush();
}
catch (Exception e) {
System.out.println(e);
}
}
}
輸出:
A
示例2:
// Java program to demonstrate
// Writer append(char) method
import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
// Create a Writer instance
Writer writer
= new PrintWriter(System.out);
// 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');
writer.flush();
}
catch (Exception e) {
System.out.println(e);
}
}
}
輸出:
G
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