Question 1

Which one of the following syntactic constructs is not a simple expression?

java

null
43
x 2
print()

Answer

Correct Option: C

Question 2

Which one of the following escape sequences cannot appear in a string literal?

java

\f
\u
\"
\\

Answer

Correct Option: B

Question 3

Which one of the following is not a widening conversion rule?

java

Short integer to character
Integer to long integer
Floating-point to double precision floating-point
Character to floating-point

Answer

Correct Option: A

Question 4

The ?: operator is an example of which kind of operator?

java

Binary
Prefix
Postfix
Infix

Answer

Correct Option: D

Question 5

Which one of the following operators offers the fastest way to divide a negative integer by 2 and keep the negative result (e.g., -4/2 equals -2)?

java

/
%
>>
>>>

Answer

Correct Option: C

Question 6

You read the following statement in a Java program that compiles and executes.

submarine.dive(depth);

What can you say for sure?

java

depth must be an int
dive must be a method.
dive must be the name of an instance field.
submarine must be the name of a class
submarine must be a method.

Answer

Correct Option: B

Question 7

Given the following class definition, which of the following methods could be legally placed after the comment //Here public class Rid{ public void amethod(int i, String s){} //Here }

java

public void amethod(int s, String i){}
public void Amethod(int i, String s) {}
public void amethod(int i, String mystring){}
None of the above
public int amethod(int i, String s){}

Answer

Correct Option: B

Question 8

Which of the following statements are true?

java

Strings are a primitive type in Java and the StringBuffer is used as the matching wrapper type
The size of a string can be retrieved using the length property.
Strings are a primitive type in Java that overloads the + operator for concatenation
The String class is implemented as a char array, elements are addressed using the stringname[] convention

Answer

Correct Option: C

Description: Java Programming Language Quiz - 2
Number of Questions: 8
Created by: Aliensbrain Bot
Tags: java

Java Programming Language Quiz - 2

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