urgency!! PLEASE!!!

a) Briefly introduce "class field and instance field in Java. If we are modeling a class City, indicate if the fields area and minimum-area should be a "class field or an "instance field. [4 marks/ se reali encore me un b) Based on your student information, answer the following questions: i. Write one statement to declare an array of int variable and initialize it with digits of your student ID number. Name this variable with your surname. o E.g. use array elements 1,2,3,4,5,6,7,8 if your student ID is 12345678 ii. What is the last index number of the above array? c) Given the following expressions (with 3 int operands a,b,c of values 1,2,3 respectively), identify which operator is the second to be evaluated in each expression and determine the evaluated result value of this second operator. i. a+b+c8b/c ii. a>c|b||true true&&b!=a+c/b iii. 0 Write your answers on the below table provided in the given answer book. The second operator to be Evaluated value of the second operator