在Java中,输入char类型数组可以通过以下几种方法:
直接赋值
char[] mychararray = {'h', 'e', 'l', 'l', 'o'};
使用Scanner类
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入一个字符:");
char inputChar = scanner.next().charAt(0);
System.out.println("输入的字符是:" + inputChar);
scanner.close();
}
}
逐个输入
Scanner scanner = new Scanner(System.in);
System.out.print("请输入数组c第一维的元素个数:");
int n = scanner.nextInt();
char[][] c = new char[n][];
for (int i = 0; i < n; i++) {
System.out.print("请输入数组c[" + i + "]的元素个数:");
int m = scanner.nextInt();
c[i] = new char[m];
for (int k = 0; k < m; k++) {
System.out.print("请输入c[" + i + "][" + k + "]:");
String s = scanner.next();
c[i][k] = s.charAt(0);
}
}
scanner.close();
从字符串中提取
Scanner scanner = new Scanner(System.in);
System.out.print("请输入一个字符串:");
String str = scanner.nextLine();
char[] charArray = str.toCharArray();