PROBLEM DESCRIPTION
You are given a string A which is a serialized string. You have to restore the original array of strings.
The string in the output array should only have lowercase english alphabets.
Serialization: Scan each element in a string, calculate its length and append it with a string and a element separator or deliminator (the deliminator is ~). We append the length of the string so that we know the length of each element.
For example, for a string ‘interviewbit’, its serialized version would be ‘interviewbit12~’.
SOLUTION
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public class Solution {
public String[] deserialize(String A) {
String[] arr = A.split("~");
int n = arr.length;
String[] ans = new String[n];
for(int i=0; i<n; i++){
StringBuffer sb = new StringBuffer();
int idx = 0;
while(arr[i].charAt(idx) >= 'a' && arr[i].charAt(idx) <= 'z'){
sb.append(String.valueOf(arr[i].charAt(idx)));
idx++;
}
ans[i] = sb.toString();
}
return ans;
}
}