[英]Using BufferedReader to input a character
BufferedReader can be used to input integers, floats and so on BufferedReader可用于输入整数,浮点数等
import java.io.*;
public class Wrap {
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int h = Integer.parseInt(br.readLine());
}
}
Is there any way to enter characters using it? 有什么办法可以使用它输入字符吗?
private static void handleCharacters(Reader reader)
throws IOException {
int r;
while ((r = reader.read()) != -1) {
char ch = (char) r;
//process
}
}
Here is how you can accumulate the chars in an array of size 100. 这是如何在大小为100的数组中累积字符。
char charArray[] = new char[ 100 ];
int i = 0;
BufferedReader buffer = new BufferedReader(
new InputStreamReader(System.in));
int c = 0;
while((c = buffer.read()) != -1 && i < 100) {
char character = (char) c;
charArray[i++] = c;
}
System.out.println(charArray);
Try with this code 尝试使用此代码
public class Wrap {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
char c = (char)br.read();
System.out.println(c);
}
} }
char a=br.readLine().charAt(0);
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