A Moving to another question will save this response. Question 3 Choose the correct statement among the above: char s =firstName.charAt(3); char s =firstName.charAt("3"); String s =firstName.charAt("3"); W String s =firstName.charAt(3); Moving to another question will save this response. Moving to another question will save this response. Question 4 to run a program called "Hello.java", we use the command: java Hello java Hello.java javac Hello.java javac Hello Moving to another question will save this response