7 Which of the given choices are true?Select any two.
1 class Q3
3 public static void main(String arg)
5 int a,c,d;
6 int b=new int;
1) All the variables a,b,c,d are arrays.
2) Only a,d,b are arrays.
3) We can declare an array with zero element.
4) We cannot declare an array with zero element.
i thought the answers were 2& 3 but when i checked it was as 1 & 3. please let me know whether i am correct or not and why in case i am wrong .