Java中CharArrayWriter类的toCharArray()方法返回输入数据的副本。
用法:
public char[] toCharArray()
参数:此方法不接受任何参数。
返回值:此方法返回输入数据的副本。
以下示例程序旨在说明上述方法:
示例1:
// Java program to illustrate
// the toCharArray() method
import java.io.*;
public class GFG {
public static void main(String[] args)
throws IOException
{
// Initializing String Witer
CharArrayWriter geek_writer1
= new CharArrayWriter();
char[] Sw = { 'G', 'E', 'E', 'K', 'S' };
for (char c : Sw) {
// Use of append(char Sw) :
geek_writer1.append(c);
}
// Use of toCharArray() :
char[] toChar1 = geek_writer1.toCharArray();
for (char c1 : toChar1) {
System.out.println("toCharArray : " + c1);
}
}
}
输出:
toCharArray : G toCharArray : E toCharArray : E toCharArray : K toCharArray : S
示例2:
// Java program to illustrate
// the toCharArray() method
import java.io.*;
public class GFG {
public static void main(String[] args)
throws IOException
{
// Initializing String Witer
CharArrayWriter geek_writer1
= new CharArrayWriter();
char[] Sw = { 'G', 'O', 'P', 'A',
'L', 'D', 'A', 'V', 'E' };
for (char c : Sw) {
// Use of append(char Sw) :
geek_writer1.append(c);
}
// Use of toCharArray() :
char[] toChar1 = geek_writer1.toCharArray();
for (char c1 : toChar1) {
System.out.println("toCharArray : " + c1);
}
}
}
输出:
toCharArray : G toCharArray : O toCharArray : P toCharArray : A toCharArray : L toCharArray : D toCharArray : A toCharArray : V toCharArray : E
参考: https://docs.oracle.com/javase/10/docs/api/java/io/CharArrayWriter.html#toCharArray()
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