程序代码：
import java.util.Scanner;
public class text {
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
while(in.hasNext()){
String s = in.next();
char type = s.charAt(0);
String[] str=new String[100];
if(type == ‘C‘){
int len = str.length;
int cnt = 1;
for(int i = 0;i < len;i++){
if(str[i] == str[i+1]){
cnt++;
}else{
if(cnt>1){
System.out.printf("%d",cnt);
}
System.out.printf("%c",str[i]);
cnt = 1;
}
}
}else{
int len = str.length;
int cnt = 0;
for(int i = 0;i < len;i++){
if(str[i]<=‘9‘&&str[i]>=‘0‘){
cnt*=10;
cnt+=str[i]-‘0‘;
}else{
if(cnt == 0){
System.out.printf("%c",str[i]);
}else
for(int j = 0;j < cnt;j++){
System.out.printf("%c",str[i]);
}
cnt = 0;
}
}
}
}
in.close();
}
}