OPPS-IT-B-B1 QUIZ-2

What is the size of the long variable in java

• 4 bytes

• 8 Bytes

• 2 Bytes

• 6 Bytes

What is the range of the short variable in java

• -128 To 127

• -32768 To 32767

• 0 to 65535

• -32767 To 32768

Which of the following is not primitive types in java.

• boolean

• Integer

• float

• double

Which of the following is used to store low precision floating numbers .

• double

• float

• int

• long

Which of the following is not a valid java identifier ?

• my_var

• _myvar

• $myvar

• 3myVar

Which of the following is not valid way to declare long type variable

• long x=123L

• long x=0x123

• long x=123.0

• long x=123

class char_increment

{

public static void main(String a[])

{

char c1='D';

char c2=84;

c2++;

c1++;

System.out.println(c1+" " c2);

}

}

• E U

• U E

• V E

• U F

Which of the following lines are legal in java

1. int w=(int)888.8

2. byte x=(byte)100L

3. long y=(byte)100

4. byte z=(byte)100L

• 1 and 2

• 2 and 3

• 3 and 4

• All of the mentioned

What is the result of the expression “Java” + “CodePoint”?

• Java

• Javacodepoint

• JavaCodePoint

• Runtime exception

What is the result of the expression 1 + 2 + “0”?

• 3

• 30

• “30”

• 120