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Chapter 3, Problem 13E

Explanation of Solution

Given:

! (4 < 5)

! false

(2 > 2) || ((4 == 4) && (1 < 0))

(2 > 2) || (4 == 4) && (1 < 0)

(34 != 33) && ! false

To find:Â The expressions that will return the value true and also execute the expressions in Code Pad in BlueJ.

Solution:

The expression that will return true values are:

The expression (! false) will evaluate to true because the “!� operator is the LOGICAL NOT operator and the complement of false is always true. Hence, the output will be true.

The expression (34 != 33) && ! false will evaluate to true because the value of (34 != 33) will be true as 34 is not equal to 33. The value of (! false) will be true as “!� is the LOGICAL NOT operator and the complement of false is always true. The output of this statement will be true because (true && true) will return true.

For the expression ! (4<5), the result in the Code Pad is as follows:

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Chapter 3 Solutions

Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)

Chapter 3, Problem 11E Chapter 3, Problem 12E Chapter 3, Problem 13E Chapter 3, Problem 14E Chapter 3, Problem 15E Chapter 3, Problem 16E Chapter 3, Problem 17E Chapter 3, Problem 18E Chapter 3, Problem 19E Chapter 3, Problem 20E Chapter 3, Problem 21E Chapter 3, Problem 22E Chapter 3, Problem 23E Chapter 3, Problem 24E Chapter 3, Problem 25E Chapter 3, Problem 26E Chapter 3, Problem 27E Chapter 3, Problem 28E Chapter 3, Problem 29E Chapter 3, Problem 30E Chapter 3, Problem 31E Chapter 3, Problem 32E Chapter 3, Problem 33E Chapter 3, Problem 34E Chapter 3, Problem 35E Chapter 3, Problem 36E Chapter 3, Problem 37E Chapter 3, Problem 38E Chapter 3, Problem 39E Chapter 3, Problem 40E Chapter 3, Problem 41E Chapter 3, Problem 42E Chapter 3, Problem 43E Chapter 3, Problem 44E Chapter 3, Problem 45E Chapter 3, Problem 46E Chapter 3, Problem 47E Chapter 3, Problem 48E Chapter 3, Problem 49E Chapter 3, Problem 50E Chapter 3, Problem 51E Chapter 3, Problem 52E Chapter 3, Problem 53E Chapter 3, Problem 54E Chapter 3, Problem 55E Chapter 3, Problem 56E Chapter 3, Problem 57E Chapter 3, Problem 58E Chapter 3, Problem 59E

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