QUESTION 1

Answer questions based on the following code:

int[] x = new int [10];

1. x is a reference variable to an array. Its dimension is _____. (use numeric value)

2. x.length has a value of _____. (use numeric value)

3. The array stores ______ values of ______ type. (numeric value for first; case sensitive Java type for second)

4. The first element, x[___], is initialized to ____. (numeric values)

5. The index to the last element is ____. (numeric value)

QUESTION 2

After the following code finishes executing, the variable result has a value of ___. (numeric value)

int result=0; 

int[] x = {10,20,30}; 

for (int i=0; i 
 result += x[i]; 
 
} 
 
QUESTION 3
 
After the following code executes, the values in the array are ___, ____, ____ (numeric values).
 
int v[] = new int[3]; 
 
for (int i=1; i 
 v[i] = v[i-1] + 1; 
 
} 
 
QUESTION 4
 
Given this following code:
 
int[][] a = new int[2][3];
 
Indicate all statements that are true.
 
A) a[0].length has a value of 2.
 
B) a.length has a value of 2.
 
C) Variable a has a primitive data type.
 
D) a[2][3] is a cell of array a with a value of 0.
 
E) Array a is a two dimensional array.
 
F) a[0][1] is a cell of array a with a value of 0.
 
QUESTION 5
 
Indicate all true statements about arrays in Java. 
 
A) It is impossible to create a 5 dimensional array in Java because maximum dimension is limited to 3.
 
B)Array index starts from 1.
 
C) An array variable is of a reference type even if its elements have a primitive type.
 
D) When an array is created, all cells are initialized with default value according to element type.