Quiz Discussion

What is the base of BigDecimal data type?

Course Name: Java

  • 1]

    Base 2

  • 2]

    Base 8

  • 3]

    Base 10

  • 4]

    Base e

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

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

  • 1]

    -1.7e+308

  • 2]

    -3.4e+038

  • 3]

    +1.7e+308

  • 4]

    -3.4e+050

Solution
3
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
4
Discuss

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

  • 1]

    int

  • 2]

    float

  • 3]

    double

  • 4]

    long

Solution
5
Discuss

What is the numerical range of a char data type in Java?

  • 1]

    -128 to 127

  • 2]

    0 to 256

  • 3]

    0 to 32767

  • 4]

    0 to 65535

Solution
6
Discuss

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

  • 1]

    Syntax

  • 2]

    Memory usage

  • 3]

    Garbage creation

  • 4]

    Precision

Solution
7
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
8
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
9
Discuss

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

  • 1]

    int

  • 2]

    float

  • 3]

    double

  • 4]

    BigDecimal

Solution
10
Discuss

Which one is a valid declaration of a boolean?

  • 1]

    boolean b1 = 1;

  • 2]

    boolean b2 = ‘false’;

  • 3]

    boolean b3 = false;

  • 4]

    boolean b4 = ‘true’

Solution
# Quiz