Question 1

Consider the following codes:

int x=4;

System.out.println(x++);

What will be the EXACT output?

Accepted Answer

4

Question 2

What will be the output of the following program?

int c = 0, e = 50;
boolean b = (c == 1) && (++e < 100);
System.out.println("e = " + e);
boolean f = (++e < 100) && (c == 1);
System.out.println("e = " + e);

Accepted Answer

e = 50
e = 51

Question 3

What is the output of the following code fragment?

for ( int j = 10;  j >  5; j-- )
{
System.out.print( j + " " );
}
System.out.println( );

Accepted Answer

10 9 8 7 6

Question 4

What will be the output of the following program?
class ArrayOutput
{
public static void main(String s[])
{
int i[] = {12, 15, 16, 17, 19};

for(int i = 0; i < 5; i++)
{
System.out.println(i[i]);
}
}
}

Accepted Answer

Compilation Error

Question 5

Increment operators increase the value of the variable by a particular number by which it is increased

Accepted Answer

true

Question 6

What is the result of -7%2

Accepted Answer

-1

Question 7

Consider the following codes:

int x=2;

System.out.println(--x);

What will be the EXACT output?

Accepted Answer

1

Question 8

An operator that decreases the value of operand by 1.

Accepted Answer

--

Question 9

What is the output of the following code fragment?

for ( int j = 5;  j > -5; j-- )

System.out.print( j + " " );

System.out.println( );

Accepted Answer

5 4 3 2 1 0 -1 -2 -3 -4

Question 10

The else statement performs a different set of statements if the expression is false.

Accepted Answer

True

Question 11

An operator that multiplies values on either side of the operator.

Accepted Answer

*

Question 12

Consider the following codes:

int x=2;

System.out.println(x--);

What will be the EXACT output?

Accepted Answer

2

Question 13

bitwise operator is an operator used to perform bitwise operations on bit patterns or binary numerals that involve the manipulation of individual bits

Accepted Answer

true

Question 14

shift operators decrease the value of the variable by a particular number by which it was decreased

Accepted Answer

false

Question 15

What must the initialization be so that the following fragment prints out the integers -3 -2 -1 ?

for ( _______; j < 0; j++    )

System.out.print( j + " " );

System.out.println( );

Accepted Answer

int j = -3

Question 16

What must the test be so that the following fragment prints out the integers 5 through and including 15?

for ( int j = 5;  ________ ; j++ )

{

System.out.print( j + " " );

}

System.out.println( );

Accepted Answer

j<16

Question 17

What is the output of the following program fragment?

for ( int j = 0;  j <  5; j++ )

{

System.out.print( j + " " );

}

System.out.println( );

Accepted Answer

0 1 2 3 4

Question 18

boolean lampX = false, result;
        boolean lampY = true;
        result = lampY || lampX;
        System.out.println("Lamp switch-on " + result);
        result = lampY && lampX;
        System.out.println("Lamp switch-on " + result);

Accepted Answer

Lamp switch-on true
Lamp switch-on false

Question 19

The goal of this operator is to decide, which value should be assigned to the variable.

Accepted Answer

Ternary operator

Question 20

Consider the following codes:

int x=3;

System.out.println(x--);

What will be the EXACT output?

Accepted Answer

3

Question 21

What is the result of 7|2

Accepted Answer

7

Question 22

Consider the following codes:

int x=4;

System.out.println(7>>2);

What will be the EXACT output?

Accepted Answer

1

Question 23

When a piece of code runs unintentionally forever it is known as

Accepted Answer

An infinite loop

Question 24

hat will be the output of the following program?

        int x = 15;

        int y = x % 4;

        int z = y * 24;

        System.out.println(z / 2);

Accepted Answer

36

Question 25

What is the output of the following code fragment:

int[] zip = new int[5];

 

zip[0] = 7;

zip[1] = 3;

zip[2] = 4;

zip[3] = 1;

zip[4] = 9;

 

int j = 3;

 

System.out.println( zip[ j-1 ] );

Accepted Answer

4

Question 26

Checks if the values of two operands are equal or not, if yes then condition becomes true.

Accepted Answer

==

Question 27

An operator that copies a bit to the result if it exists in both operands.

Accepted Answer

& (bitwise AND)

Question 28

What is the output of the following code fragment

int count = 0;
for ( ;  count < 9; ++count )
System.out.print( count + " " );
 
System.out.println( );

Accepted Answer

0 1 2 3 4 5 6 7 8

Question 29

Consider the following codes:

int x=4;

System.out.println(--x);

What will be the EXACT output?

Accepted Answer

3

Question 30

What is the output of the following code fragment:

int[] y = new int[5];

y[0] = 34;

y[1] = 88;

 

System.out.println( y[0] + " " + y[1] + " " + y[5] );

Accepted Answer

The program is defective and will not compile.

Question 31

The label identifies any valid statement to which control must be transferred

Accepted Answer

true

Question 32

Checks if the value of left operand is greater than or equal to the value of right operand, if yes then condition becomes true.

Accepted Answer

>=

Question 33

The do-while loop facilitates evaluation of condition or expression at the end of the loop to ensure that the statements are executed at least once

Accepted Answer

true

Question 34

Consider the following codes:

int x=1;

System.out.println(x++);

What will be the EXACT output?

Accepted Answer

1

Question 35

An operator that can be used to add String objects.

Accepted Answer

+

Question 36

What must the change be so that the following fragment prints out the even integers 0 2 4 6 8 10?

for ( int j = 0; j <= 10; _______   )

System.out.print( j + " " );

System.out.println( );

Accepted Answer

j = j+2

Question 37

What is the value of i after this loop runs?

int i=0;

do

{

System.out.println("hello");

i=i+1;

}while (i<20);

Accepted Answer

i = 20

Question 38

What is the output of the following code fragment:

int[] ar = {2, 4, 6, 8 };

System.out.println( ar[0] + " " + ar[1] );

Accepted Answer

2 4

Question 39

What will be the output of the following program?

int c = 0, e = 50;
boolean b = (c == 1) || (++e < 100);
System.out.println("e = " + e);
boolean f = (e++ < 100) || (c == 1);
System.out.println("e = " + e);

Accepted Answer

e = 51
e = 52

Question 40

The ____ statement enables your program to selectively execute other statements, based on some criteria

Accepted Answer

if

Question 41

Checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true.

Accepted Answer

<=

Question 42

It multiplies right operand with the left operand and assign the result to left operand.

Accepted Answer

*-

Question 43

What will be the output of the following program?

        int num = 69;

        int days = num % 30;

        int month = num / 30;

        System.out.println(month + " Month and " + days + " days");

Accepted Answer

2 Month and 9 days

Question 44

What is the output of the following code fragment:

int[] zip = new int[5];

 

zip[0] = 7;

zip[1] = 3;

zip[2] = 4;

zip[3] = 1;

zip[4] = 9;

 

System.out.println( zip[ 2 + 1 ] );

Accepted Answer

1

Question 45

Supposed: double x = 13.1614; int y = (int)x; what is the value of y?

Accepted Answer

13

Question 46

The _______ loop facilitates evaluation of condition or expression at the end of the loop to ensure that the statements are executed at least once

Accepted Answer

do while

Question 47

What will be the output of the following program?

        boolean a = true;

        boolean b = true;

        boolean c = a & b;

        boolean d = a ^ b;

        boolean e = a || !b || c || !d;

        System.out.println("e = " + e);

Accepted Answer

e = true

Question 48

What will be the output of the following program?

        int i, j, k, l = 0;

        k = l++;

        j = ++k;

        i = j++;

        System.out.println(i);

Accepted Answer

1

Question 49

bitwise operator returns the result of shifting the bits of the left operand by the number of positions specified by the right operand.

Accepted Answer

false

Question 50

It consists of three operands and is used to evaluate Boolean expressions

Accepted Answer

Ternary operator

Question 51

What is an array?

Accepted Answer

A sequence of values.

Question 52

Consider the following codes:

int x=4;

System.out.println(x++);

What will be the EXACT output?

Accepted Answer

4

Question 53

A condition is

Accepted Answer

a statement that is either True or False

Question 54

What is the output of the following code fragment:

int[] z = new int[9];

 

z[0] = 7;

z[1] = 3;

z[2] = 4;

 

System.out.println( z[0] + z[1] + " " + z[5] );

Accepted Answer

10 0

Question 55

What is the operator in which the left operands value is moved left by the number of bits specified by the right operand.

Accepted Answer

<

Question 56

decrement operators decrease the value of the variable by a particular number by which it was decreased

Accepted Answer

true

Question 57

The continue statement causes the program flow to exit prematurely from the body of the loop statement.

Accepted Answer

false

Question 58

What does the code output?

int p=0;

while (p<3)

{

System.out.println("hi");

p++;  

}

System.out.println("bye");

Accepted Answer

hi

hi

hi

bye

Question 59

How do you access an array element?

Accepted Answer

By the name of the array followed by the index value in brackets.

Question 60

An operator that is used in converting one type into another type or an object into another

Accepted Answer

Cast

Question 61

Assigns values from right side operands to left side operand.

Accepted Answer

=

Question 62

The statements associated with else keyword is executed if the value of the switch variable does not match any of the case constants.

Accepted Answer

true

Question 63

Consider the following codes:

int x=3;

System.out.println(++x);

What will be the EXACT output?

Accepted Answer

4

Question 64

Checks if the values of two operands are equal or not, if values are not equal then condition becomes true.

Accepted Answer

!=

Question	Answer
Consider the following codes: int x=4; System.out.println(x++); What will be the EXACT output?	4
What will be the output of the following program? int c = 0, e = 50; boolean b = (c == 1) && (++e < 100); System.out.println("e = " + e); boolean f = (++e < 100) && (c == 1); System.out.println("e = " + e);	e = 50 e = 51
What is the output of the following code fragment? for ( int j = 10; j > 5; j-- ) { System.out.print( j + " " ); } System.out.println( );	10 9 8 7 6
What will be the output of the following program? class ArrayOutput { public static void main(String s[]) { int i[] = {12, 15, 16, 17, 19}; for(int i = 0; i < 5; i++) { System.out.println(i[i]); } } }	Compilation Error
Increment operators increase the value of the variable by a particular number by which it is increased	true
What is the result of -7%2	-1
Consider the following codes: int x=2; System.out.println(--x); What will be the EXACT output?	1
An operator that decreases the value of operand by 1.	--
What is the output of the following code fragment? for ( int j = 5; j > -5; j-- ) System.out.print( j + " " ); System.out.println( );	5 4 3 2 1 0 -1 -2 -3 -4
The else statement performs a different set of statements if the expression is false.	True
An operator that multiplies values on either side of the operator.	*
Consider the following codes: int x=2; System.out.println(x--); What will be the EXACT output?	2
bitwise operator is an operator used to perform bitwise operations on bit patterns or binary numerals that involve the manipulation of individual bits	true
shift operators decrease the value of the variable by a particular number by which it was decreased	false
What must the initialization be so that the following fragment prints out the integers -3 -2 -1 ? for ( _______; j < 0; j++ ) System.out.print( j + " " ); System.out.println( );	int j = -3
What must the test be so that the following fragment prints out the integers 5 through and including 15? for ( int j = 5; ________ ; j++ ) { System.out.print( j + " " ); } System.out.println( );	j<16
What is the output of the following program fragment? for ( int j = 0; j < 5; j++ ) { System.out.print( j + " " ); } System.out.println( );	0 1 2 3 4
boolean lampX = false, result; boolean lampY = true; result = lampY \|\| lampX; System.out.println("Lamp switch-on " + result); result = lampY && lampX; System.out.println("Lamp switch-on " + result);	Lamp switch-on true Lamp switch-on false
The goal of this operator is to decide, which value should be assigned to the variable.	Ternary operator
Consider the following codes: int x=3; System.out.println(x--); What will be the EXACT output?	3
What is the result of 7\|2	7
Consider the following codes: int x=4; System.out.println(7>>2); What will be the EXACT output?	1
When a piece of code runs unintentionally forever it is known as	An infinite loop
hat will be the output of the following program? int x = 15; int y = x % 4; int z = y * 24; System.out.println(z / 2);	36
What is the output of the following code fragment: int[] zip = new int[5]; zip[0] = 7; zip[1] = 3; zip[2] = 4; zip[3] = 1; zip[4] = 9; int j = 3; System.out.println( zip[ j-1 ] );	4
Checks if the values of two operands are equal or not, if yes then condition becomes true.	==
An operator that copies a bit to the result if it exists in both operands.	& (bitwise AND)
What is the output of the following code fragment int count = 0; for ( ; count < 9; ++count ) System.out.print( count + " " ); System.out.println( );	0 1 2 3 4 5 6 7 8
Consider the following codes: int x=4; System.out.println(--x); What will be the EXACT output?	3
What is the output of the following code fragment: int[] y = new int[5]; y[0] = 34; y[1] = 88; System.out.println( y[0] + " " + y[1] + " " + y[5] );	The program is defective and will not compile.
The label identifies any valid statement to which control must be transferred	true
Checks if the value of left operand is greater than or equal to the value of right operand, if yes then condition becomes true.	>=
The do-while loop facilitates evaluation of condition or expression at the end of the loop to ensure that the statements are executed at least once	true
Consider the following codes: int x=1; System.out.println(x++); What will be the EXACT output?	1
An operator that can be used to add String objects.	+
What must the change be so that the following fragment prints out the even integers 0 2 4 6 8 10? for ( int j = 0; j <= 10; _______ ) System.out.print( j + " " ); System.out.println( );	j = j+2
What is the value of i after this loop runs? int i=0; do { System.out.println("hello"); i=i+1; }while (i<20);	i = 20
What is the output of the following code fragment: int[] ar = {2, 4, 6, 8 }; System.out.println( ar[0] + " " + ar[1] );	2 4
What will be the output of the following program? int c = 0, e = 50; boolean b = (c == 1) \|\| (++e < 100); System.out.println("e = " + e); boolean f = (e++ < 100) \|\| (c == 1); System.out.println("e = " + e);	e = 51 e = 52
The ____ statement enables your program to selectively execute other statements, based on some criteria	if
Checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true.	<=
It multiplies right operand with the left operand and assign the result to left operand.	*-
What will be the output of the following program? int num = 69; int days = num % 30; int month = num / 30; System.out.println(month + " Month and " + days + " days");	2 Month and 9 days
What is the output of the following code fragment: int[] zip = new int[5]; zip[0] = 7; zip[1] = 3; zip[2] = 4; zip[3] = 1; zip[4] = 9; System.out.println( zip[ 2 + 1 ] );	1
Supposed: double x = 13.1614; int y = (int)x; what is the value of y?	13
The _______ loop facilitates evaluation of condition or expression at the end of the loop to ensure that the statements are executed at least once	do while
What will be the output of the following program? boolean a = true; boolean b = true; boolean c = a & b; boolean d = a ^ b; boolean e = a \|\| !b \|\| c \|\| !d; System.out.println("e = " + e);	e = true
What will be the output of the following program? int i, j, k, l = 0; k = l++; j = ++k; i = j++; System.out.println(i);	1
bitwise operator returns the result of shifting the bits of the left operand by the number of positions specified by the right operand.	false
It consists of three operands and is used to evaluate Boolean expressions	Ternary operator
What is an array?	A sequence of values.
Consider the following codes: int x=4; System.out.println(x++); What will be the EXACT output?	4
A condition is	a statement that is either True or False
What is the output of the following code fragment: int[] z = new int[9]; z[0] = 7; z[1] = 3; z[2] = 4; System.out.println( z[0] + z[1] + " " + z[5] );	10 0
What is the operator in which the left operands value is moved left by the number of bits specified by the right operand.	<
decrement operators decrease the value of the variable by a particular number by which it was decreased	true
The continue statement causes the program flow to exit prematurely from the body of the loop statement.	false
What does the code output? int p=0; while (p<3) { System.out.println("hi"); p++; } System.out.println("bye");	hi hi hi bye
How do you access an array element?	By the name of the array followed by the index value in brackets.
An operator that is used in converting one type into another type or an object into another	Cast
Assigns values from right side operands to left side operand.	=
The statements associated with else keyword is executed if the value of the switch variable does not match any of the case constants.	true
Consider the following codes: int x=3; System.out.println(++x); What will be the EXACT output?	4
Checks if the values of two operands are equal or not, if values are not equal then condition becomes true.	!=
The while loop executes a given statement or block of statements repeatedly as long as the value of the expression is true.	true
Cast operator is used in converting one type into another type or an object into another	true

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OOP F2 (M3 M4)