Final answer:
The given code is written in Java and declares an array of integers named intarray. It assigns values to variables i, j, and d based on the elements of the intarray.
Step-by-step explanation:
The given code is written in Java programming language. It declares and initializes an array of integers named intarray with values 1, 2, and 3.
Line 2 assigns the sum of intarray[0] and intarray[1] to variable i. It is missing a semicolon at the end.
Line 3 assigns the value of i multiplied by intarray[2] to variable j.
Line 4 declares and initializes a variable d as a double type, and assigns the value of intarray[0] to it.