# Quiz Discussion

Which of these literals can be contained in float data type variable?

Course Name: Java

• 1]

-1.7e+308

• 2]

-3.4e+038

• 3]

+1.7e+308

• 4]

-3.4e+050

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

What is the output of this program?

public class array_output {
public static void main(String args[])
{
char array_variable [] = new char[10];
for (int i = 0; i < 10; ++i) {
array_variable[i] = 'i';
System.out.print(array_variable[i] + "" );
i++;
}
}
}

• 1]

i i i i i

• 2]

0 1 2 3 4

• 3]

i j k l m

• 4]

None of the mentioned

##### Solution
2
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
3
Discuss

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

• 1]

int

• 2]

float

• 3]

double

• 4]

long

##### Solution
4
Discuss

What will be the output of the following Java code? - Average

public class average {
public static void main(String args[])
{
double num[] = {5.5, 10.1, 11, 12.8, 56.9, 2.5};
double result;
result = 0;
for (int i = 0; i < 6; ++i)
{
result = result + num[i];
}
System.out.print(result/6);

}
}

• 1]

16.34

• 2]

16.566666644

• 3]

16.46666666666667

• 4]

16.46666666666666

##### Solution
5
Discuss

What is the numerical range of a char data type in Java?Which of these coding types is used for data type characters in Java?

• 1]

-128 to 127 ASCII

• 2]

0 to 256 ISO-LATIN-1

• 3]

0 to 32767 UNICODE

• 4]

0 to 65535 UNICODE

##### Solution
6
Discuss

What is the base of BigDecimal data type?

• 1]

Base 2

• 2]

Base 8

• 3]

Base 10

• 4]

Base e

##### Solution
7
Discuss

Which of these values can a boolean variable contain?

• 1]

True & False

• 2]

0 & 1

• 3]

Any integer value

• 4]

True

##### Solution
8
Discuss

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

• 1]

int

• 2]

float

• 3]

double

• 4]

BigDecimal

##### Solution
9
Discuss

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

• 1]

float

• 2]

byte

• 3]

long

• 4]

int

##### Solution
10
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

# Quiz