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Section 4.2 WriteSelection-WE1-P1

Subsection 4.2.1 Write Relational Expressions

To correctly write selection statements, you must write the conditional expressions correctly. To do this, you generally need to translate the requirements, written in English, to a correct boolean expression. Below are practice questions for this skill.

Subsection 4.2.2 WrSelect-WE1-P1

Exercises Exercises

1.

    Q1: Which of the following is the correct Java expression that is equivalent to the English expression “weight is greater than 100”?

  • weight > 100

  • weight<100

  • weight >= 100

  • weight >> 100

2.

    Q2: Which of the following is the correct Java expression that is equivalent to the English expression “a not equal to 0”?

  • a NOT EQUAL 0

  • a NOT= 0

  • a != 0

  • a !== 0

3.

    Q3: Which of the following is the correct Java expression that is equivalent to the English expression “apple and orange are not the same”?

  • "apple" != "orange"

  • apple != orange

  • NOT ("apple.equals("orange"))

  • apple !== orange

4.

    Q4: Which of the following is the correct Java expression that is equivalent to the English expression “not done”?

  • NOT done

  • != done

  • !done

  • done = false

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