add quotation marks in java string code example

Example 1: java check if a line is enclosed in quotation marks

String n;
if(n.startsWith("\""))
{
    // execute if true
}

Example 2: check for double character in a string python

count = {}
for s in check_string:
  if s in count:
    count[s] += 1
  else:
    count[s] = 1

for key in count:
  if count[key] > 1:
    print key, count[key]