Variable c has been dynamically initialized to square root of a * a + b * b, during run time.
output:
$ javac dynamic_initialization.java
$ java dynamic_initialization
5.0

Answer: D
Explanation:all string literals must begin and end in same line.

When an array is declared using new operator then all of its elements are initialized to 0 

automatically. for loop body is executed 5 times as whenever controls comes in the loop 

i value is incremented twice, first by i++ in body of loop then by ++i in increment condition 

of for loop.
output:
$ javac array_output.java
$ java array_output
1 2 3 4 5

None
output:
$ javac evaluate.java
$ java evaluate
40

Keywords are specially reserved words which can not be used for naming a user defined 

variable, example : class, int, for etc.

None.

We can use binary ampersand operator on integers/chars (and it returns an integer) or on 

booleans (and it returns a boolean).

Data type long literals are appended by an upper or lowercase L.

Data type long literals are appended by an upper or lowercase L. 0x99fffL is hexadecimal 

long literal.