# Quiz Discussion

Which of these statements are incorrect?

Course Name: Java

• 1]

The left shift operator, <<, shifts all of the bits in a value to the left specified number of times

• 2]

The right shift operator, >>, shifts all of the bits in a value to the right specified number of time

• 3]

The left shift operator can be used as an alternative to multiplying by 2

• 4]

The right shift operator automatically fills the higher order bits with 0

##### Solution
No Solution Present Yet

#### Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# Quiz
1
Discuss

Which of these statements is correct?

• 1]

true and false are numeric values 1 and 0

• 2]

true and false are numeric values 0 and 1

• 3]

true is any non zero value and false is 0

• 4]

true and false are non numeric values

##### Solution
2
Discuss

What will be the output of the following Java program?

    class Output
{
public static void main(String args[])
{
int a = 1;
int b = 2;
int c;
int d;
c = ++b;
d = a++;
c++;
b++;
++a;
System.out.println(a + " " + b + " " + c);
}
}

• 1]

3 2 4

• 2]

3 2 3

• 3]

2 3 4

• 4]

3 4 4

##### Solution
3
Discuss

What is the output of relational operators?

• 1]

Integer

• 2]

Boolean

• 3]

Characters

• 4]

Double

##### Solution
4
Discuss

What will be the output of the following Java program?

    class rightshift_operator
{
public static void main(String args[])
{
int x;
x = 10;
x = x >> 1;
System.out.println(x);
}
}

• 1]

10

• 2]

5

• 3]

2

• 4]

20

##### Solution
5
Discuss

What will be the output of the following Java code?

    class Output
{
public static void main(String args[])
{
int x , y = 1;
x = 10;
if (x != 10 && x / 0 == 0)
System.out.println(y);
else
System.out.println(++y);
}
}

• 1]

1

• 2]

2

• 3]

Runtime error owing to division by zero in if condition

• 4]

Unpredictable behavior of program

##### Solution
6
Discuss

Which of these operators can skip evaluating right hand operand?

• 1]

!

• 2]

|

• 3]

&

• 4]

&&

##### Solution
7
Discuss

Decrement operator, −−, decreases the value of variable by what number?

• 1]

1

• 2]

2

• 3]

3

• 4]

4

##### Solution
8
Discuss

What will be the output of the following Java code?

    class Output
{
public static void main(String args[])
{
boolean a = true;
boolean b = false;
boolean c = a ^ b;
System.out.println(!c);
}
}

• 1]

0

• 2]

1

• 3]

true

• 4]

false

##### Solution
9
Discuss

Which of these lines of Java code will give better performance?

   1. a | 4 + c >> b & 7;
2. (a | ((( 4 * c ) >> b ) & 7 ))
• 1]

1 will give better performance as it has no parentheses

• 2]

2 will give better performance as it has parentheses

• 3]

Both 1 & 2 will give equal performance

• 4]

Dependent on the computer system

##### Solution
10
Discuss

What will be the output of the following Java program?

    class Modulus
{
public static void main(String args[])
{
double a = 25.64;
int  b = 25;
a = a % 10;
b = b % 10;
System.out.println(a + " "  + b);
}
}

• 1]

5.640000000000001 5

• 2]

5.640000000000001 5.0

• 3]

5 5

• 4]

5 5.640000000000001

# Quiz