题解 | #计算某字符出现次数#
计算某字符出现次数
http://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
import java.util.Scanner;
public class Main {
public static void main(String[] args){
Scanner scanner = new Scanner(System.in);
String str = scanner.nextLine().toUpperCase();
char ch = scanner.next().charAt(0);
char upch = Main.toUpperChar(ch);
if(str.contains(String.valueOf(upch))){
char[] chs= str.toCharArray();
int count = 0;
for (char chn:chs){
if(chn==upch){
count++;
}
}
System.out.println(count);
}else{
System.out.println(0);
}
}
static char toUpperChar(char ch) {
if (ch>='a' && ch<='z') {
return (char)(ch-32);
}else {
return ch;
}
}
}
public class Main {
public static void main(String[] args){
Scanner scanner = new Scanner(System.in);
String str = scanner.nextLine().toUpperCase();
char ch = scanner.next().charAt(0);
char upch = Main.toUpperChar(ch);
if(str.contains(String.valueOf(upch))){
char[] chs= str.toCharArray();
int count = 0;
for (char chn:chs){
if(chn==upch){
count++;
}
}
System.out.println(count);
}else{
System.out.println(0);
}
}
static char toUpperChar(char ch) {
if (ch>='a' && ch<='z') {
return (char)(ch-32);
}else {
return ch;
}
}
}
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