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Jackson Java technologies Quiz

Jackson Java technologies Quiz

Jackson is a very popular and efficient java based library to serialize or map java objects to JSON and vice versa. This tutorial will teach you basic and advanced Jackson library API features and their usage in a simple and intuitive way.

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Quiz Questions And Answers

Rate the following expression: 25 <5 * 5

True
False

Rate the following expression: 8 + 1> = 3 * 3

True
False

What is the following code snippet on the screen? int height = 10; if (high <= 12) System.out.print (“Low Bridge:”); System.out.println (“Carefully drive on.”);

Nothing is spent.
Low bridge:
Low bridge: continue driving carefully.

What is the following code snippet on the screen? int height = 13; if (high <= 12) { System.out.print (“Low Bridge:”); System.out.println (“Carefully drive on.”); }

Nothing is spent.
Low bridge:
Drive on carefully.

What is the following code snippet on the screen? int deep = 8; if (depth> = 8) { System.out.print (“Danger”); System.out.print (“Deep Water.”); }

Danger:
Danger: Deep water.
Danger: Deep water. Swimming prohibited.

Rate the following expression: 10.0 + 0.1 <11.0

True
False

Rate the following expression: 10.0 + 0.1> 10.0

True
False

Rate the following expression: 1.0 + 1.0 / 10.0 <1.1

True
False
Unknown

Which three parts of a counting loop need to be coordinated in the right order for the loop to work properly?

Initialize counter, test counter, change counter
Initialize condition, change condition, end loop
The whilestatement, the assignment, the loop body

Another word for ‘looping’ is:

recapitulation
Tintinabulation
iteration

What constitutes a counting loop?

A count variable is incremented by one until a certain value is reached.
A loop whilecontrol variable is tested in the statement and is changed every loop.
A count variable is counted down by one until the value 0 is reached.

Consider the following code: int counter = 0; while (count <= 6) { System.out.print (counter + “”); counter = counter + 2; } System.out.println (); What is this code on the screen

1 2 3 4 5 6
0 2 4 6 8
0 2 4 6

Consider the following code: int counter = 7; while (count> = 4) { System.out.print (counter + “”); counter = counter – 1; } System.out.println (); What is this code on the screen

7 6 5 4
1 2 3 4 5 6 7
6 5 4 3

Consider the following code: int counter = -2; while (count <3) { System.out.print (counter + “”); counter = counter + 1; } System.out.println (); What is this code on the screen

-2 -1 0 1 2
-2 -1 1 2 3 4
-2 -1 1 2 3

Consider the following code: int counter = 1; while (count <5) { System.out.print (counter + “”); } System.out.println (); What is this code on the screen?

1 2 3 4
1 1 1 1 1 1 1 1 1 1 1. , , ,
1 2 3 4 5
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