Question

Evaluate the following Java expression, if x=3, y=5, and z=10: ++z + y - y + z + x++
Select one:
i. 24
ii. 23
iii. 20
iv. 25

Answer 1

Answer:

iv.. 25 is the answer

Explanation:

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Answer 2

Answer:

The correct evaluated answer of the given JAVA expression is found to be option (iv), i.e., 25.

Explanation:

Now, we know that in many type of programming languages like C, C++, JAVA, etc., the symbol "++" is used to signify the increment of the associated value/variable/object. This symbol is used to increase the associated variable by a factor of 1.

Let's say, for example: X=3 and we write X++, the value presented to us will be 4, i.e., 3+1=4.

Now, the given expression is: ++z +y -y +z +x ++,

Resolving it step-by-step, we get:

Step-1: Resolution of signs "++",

Ans = 1 + z + y - y + z + x + 1

Step-2: Substitution of values:

Ans = 1 + 10 + 5 - 5 + 10 + 3 + 1

Simplifying this, we get:

Ans = 25

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