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 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
2
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
3
Discuss

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

  • 1]

    float

  • 2]

    byte

  • 3]

    long

  • 4]

    int

Solution
4
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
5
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
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

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

  • 1]

    Syntax

  • 2]

    Memory usage

  • 3]

    Garbage creation

  • 4]

    Precision

Solution
8
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
9
Discuss

Which of these values can a boolean variable contain?

  • 1]

    True & False

  • 2]

    0 & 1

  • 3]

    Any integer value

  • 4]

    True

Solution
10
Discuss

What will be the output of the following Java code? - Increment / Decrement

public class increment {
   public static void main(String args[]) 
     {        
         int g = 3;
         System.out.print(++g * 8);
     } 
}

 

  • 1]

    25

  • 2]

    24

  • 3]

    32

  • 4]

    33

Solution
# Quiz