Full Stack through java Quiz 18

 

Number of primitive data types in Java are?

• 6

• 7

• 8

• 9

What is the size of float and double in java?

• 32 and 32

• 32 and 64

• 64 and 64

• 64 and 32

Automatic type conversion is possible in which of the possible cases?

• int to long

• long to int

Find the output of the following code.

int Integer = 24; char String = ‘I’; System.out.print(Integer); System.out.print(String);

• compiler error

• 24 I

 

Find the output of the following program.

public class Solution{ public static void main(String[] args){ byte x = 127; x++; x++; System.out.print(x); } }

• -127

• 127

• 129

• 2

Who invented Java Programming?

• Guido van Rossum

• James Gosling

• Dennis Ritchie

• Bjarne Stroustrup

Which statement is true about Java?

• Java is a sequence-dependent programming language

• Java is a code dependent programming language

• Java is a platform-dependent programming language

• Java is a platform-independent programming language

Which one of the following is not a Java feature?

• Object-oriented

• Use of pointers

• Portable

• Dynamic and Extensible

Which of these cannot be used for a variable name in Java?

• identifier & keyword

• identifier

• keyword

• none of the mentioned

Which environment variable is used to set the java path?

• MAVEN_Path

• JavaPATH

• JAVA

• JAVA_HOME