For the given code below, which lines are valid (will compile and run)? Assume each line is run independently. public class Bottle { private static boolean plastic; private char letter; public static...

Please answer question. This is pertaining to Java programming language

2-7

Extracted text: For the given code below, which lines are valid (will compile and run)? Assume each line is run independently. public class Bottle { private static boolean plastic; private char letter; public static int trash() { return 0; } public boolean recycle() { return true; } public static void main(String[] args) { Bottle obj = new Bottle(); 1 obj.recycle(); 2 obj.trash(); 3 Bottle.recycle(); 4 Bottle.trash(); 5 System.out.println(obj.letter); 6 System.out.println(obj.plastic); 7 System.out.println(Bottle.letter); 8 System.out.println(Bottle.plastic); } } 1: [ Select ] [ Select ] not valid 2: valid 3 : [Select ]