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853天前import java.util.*; |
public class Main{ |
public static void main(String[] args) { |
Scanner scan = new Scanner(System.in); |
String s = scan.nextLine(); |
String cs = scan.next(); |
char c = cs.charAt(0); |
String str = scan.next(); |
|
int i, count = 0; |
for(i = 0; i < s.length(); i++) { |
if(s.charAt(i) == c){ |
count++; |
} |
} |
System.out.println(count); |
for(i = s.length()-1; i >= 0; i--) { |
System.out.print(s.charAt(i)); |
} |
System.out.println(); |
|
i = 0; |
int index = s.indexOf(str); |
while(index != -1) { |
if(i == 0) |
System.out.print(index); |
else |
System.out.print(" "+index); |
i = index + str.length(); |
index = s.indexOf(str, i); |
} |
System.out.println(); |
|
StringBuffer sb = new StringBuffer(s) ; |
int fromIndex = 0; //第一个单词首字母位置 |
do { |
sb.replace(fromIndex, fromIndex+1, sb.substring(fromIndex, fromIndex+1).toUpperCase()); |
} while ( (fromIndex = sb.indexOf(" ", fromIndex)+1) != 0); |
System.out.println(sb); |
|
scan.close(); |
} |
} |
