
Weekly Contest #3 - TechXNinjas
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Computers
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Write the single-line statement for the array initialization by considering the following points
array name: a
data type: integer
size of an array: 5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the value of 'm' in the following 2-dimensional array?
0 0 0
0 0 0
0 0 0
0 0 0
int a [] [] = new int [m] [n];
3
2
4
0
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Choose the wrong array initialization from the following integer type array "arr" having size "n".
int arr [];
arr = new int [n];
int [] a = new int [n];
int a [] = new int [n];
int arr [];
arr [] = new int [n];
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly declares an array and a variable of the same integer type in a single line?
int [] arr, x ;
int x, arr [] ;
int arr [], x ;
int x = 5, arr [] ;
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Guess the output of the following array snippet
int [] a = new int [4];
for(int i=0;i<4;i++) {
system.out.println(a[i]);
}
0000
4
4
4
4
4444
0
0
0
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine whether the following statement is true or false:
Statement: Arraylist and Vector come under the dynamic type of array
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine whether the following statement is true or false:
Statement: we can return anything inside a function with a "void return type".
True
False
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