Question 2 1 pts Fill in the tracing table below with the values for each empty box. Program Code Program State str = "Sample String" idx = 2 if (str.charAt(idx) str = idx = str = "New String"; str idx = } str = idx = Question 3 1 pts Fill in the tracing table below with the values for each empty box. Program Code Program State a = 3.5 if (a