# 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

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

• 1]

1

• 2]

2

• 3]

3

• 4]

4

##### Solution
2
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
3
Discuss

Which of these is not a bitwise operator?

• 1]

&

• 2]

&=

• 3]

|=

• 4]

<=

##### Solution
4
Discuss

Modulus operator, %, can be applied to which of these?

• 1]

Integers

• 2]

Floating – point numbers

• 3]

Both Integers and floating – point numbers

• 4]

None of the mentioned

##### Solution
5
Discuss

What will be the output of the following Java code?

class Output
{
public static void main(String args[])
{
int x=y=z=20;

}
}

• 1]

compile and runs fine

• 2]

20

• 3]

run time error

• 4]

compile time error

##### Solution
6
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
7
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
8
Discuss

What will be the output of the following Java program?

class Output
{
public static void main(String args[])
{
int a,b,c,d;
a=b=c=d=20
a+=b-=c*=d/=20
System.out.println(a+" "+b+" "+c+" "+d);

}
}

• 1]

compile time error

• 2]

runtime error

• 3]

a=20 b=0 c=20 d=1

• 4]

none of the mentioned

##### Solution
9
Discuss

Which operator is used to invert all the digits in a binary representation of a number?

• 1]

~

• 2]

<<<

• 3]

>>>

• 4]

^

##### Solution
10
Discuss

What will be the output of the following Java code?

    class operators
{
public static void main(String args[])
{
int x = 8;
System.out.println(++x * 3 + " " + x);
}
}

• 1]

24 8

• 2]

24 9

• 3]

27 8

• 4]

27 9

# Quiz