# Quiz Discussion

Which data type value is returned by all transcendental math functions?

Course Name: Java

• 1]

int

• 2]

float

• 3]

double

• 4]

long

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

Which of these values can a boolean variable contain?

• 1]

True & False

• 2]

0 & 1

• 3]

Any integer value

• 4]

True

##### Solution
2
Discuss

What will be the output of these statement?

public class output {
public static void main(String args[])
{
double a, b, c;
a = 3.0/0;
b = 0/4.0;
c = 0/0.0;

System.out.println(a);
System.out.println(b);
System.out.println(c);
}
}

• 1]

Infinity

• 2]

0.0

• 3]

NaN

• 4]

all of the mentioned

##### Solution
3
Discuss

What will be the output of the following Java code? - Area Of Circle

public class area {
public static void main(String args[])
{
double r, pi, a;
r = 9.8;
pi = 3.14;
a = pi * r * r;
System.out.println(a);
}
}

• 1]

301.5656

• 2]

301

• 3]

301.56

• 4]

301.56560000

##### Solution
4
Discuss

An expression involving byte, int, and literal numbers is promoted to which of these?

• 1]

float

• 2]

byte

• 3]

long

• 4]

int

##### Solution
5
Discuss

What is the output of below code snippet?

   double a = 0.02;
double b = 0.03;
double c = b - a;
System.out.println(c);

BigDecimal _a = new BigDecimal("0.02");
BigDecimal _b = new BigDecimal("0.03");
BigDecimal _c = b.subtract(_a);
System.out.println(_c);

• 1]

0.009999999999999998
0.01

• 2]

0.01
0.009999999999999998

• 3]

0.01
0.01

• 4]

0.009999999999999998
0.009999999999999998

##### Solution
6
Discuss

Which of the below data type doesn’t support overloaded methods for +,-,* and /?

• 1]

int

• 2]

float

• 3]

double

• 4]

BigDecimal

##### Solution
7
Discuss

What is the output of this program?

public class mainclass {
public static void main(String args[])
{
char a = 'A';
a++;
System.out.print((int)a);
}
}

• 1]

66

• 2]

67

• 3]

65

• 4]

64

##### Solution
8
Discuss

What is the range of byte data type in Java?

• 1]

-128 to 127

• 2]

-32768 to 32767

• 3]

-2147483648 to 2147483647

• 4]

None of the mentioned

##### Solution
9
Discuss

What is the range of short data type in Java?

• 1]

-128 to 127

• 2]

-32768 to 32767

• 3]

-2147483648 to 2147483647

• 4]

None of the mentioned

##### Solution
10
Discuss

Which of the following is the advantage of BigDecimal over double?

• 1]

Syntax

• 2]

Memory usage

• 3]

Garbage creation

• 4]

Precision

# Quiz