import java.util.ArrayList;
public class Delimiters {
// part1 private instances variables global variables
private String openDel;
private String closeDel;
// part2 constructors
public Delimiters(String open, String close)
{
openDel=open;
closeDel=close;
}
// part3 non-constructor methods normal methods
public ArrayList<String> getDelimitersList(String[] tokens){
// ArrayList<DataType> ListName = new ArrayList<DataType>();
ArrayList<String> delimiters = new ArrayList<String>();
for(int i=0; i<tokens.length; i++){
if(tokens[i].equals(openDel) || tokens[i].equals(closeDel)){
delimiters.add(tokens[i]);
}
}
return delimiters;
}
public boolean isBalanced(ArrayList<String> delimiters){
int countOpen=0;
int countClose=0;
for (int i=0; i<delimiters.size(); i++){
if (delimiters.get(i).equals(openDel)){
countOpen++;
}
else {
countClose++;
}
if(countClose > countOpen)
return false;
}
return countOpen == countClose;
}
}
String str for(int i=0; i<str.length(); i++) str.substring(i,i+1) // means get every character in String 01234 "Linda".substring(0,1) "Linda".substring(4) .substring(start , end) [start, end) from start to end-1
Array arr for(int i=0; i<arr.length; i++) arr[i] // means get every element in the arr
ArrayList list for(int i=0; i<list.size(); i++) list.get(i) // means get every item in the ArrayList