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Subgoals

Section 1.25 Assessment: Boolean Relational Operators

Subgoals for evaluating an assignment statement.

  1. Determine resultant data type of expression
  2. Update variable for pre operators based on side effect
  3. Solve arithmetic equation, operator precedence
  4. If = statement, is Left Hand Side (LHS) a variable? Check data type of copied value against data type of variable
  5. Update variable for post operators based on side effect

Exercises Exercises

    1.

      Q1: Given the following, what value is stored in variable answer?
      int x = 5, y = 3, z = 1;
boolean answer;
answer = x <= z;
    • true
    • false

    2.

      Q2: Given the following, what value is stored in variable answer?
      int x = 5, y = 3, z = 1;
boolean answer;
answer = y >= z;
    • true
    • false

    3.

      Q3: Given the following, what value is stored in variable answer?
      int x = 5, y = 3, z = 1;
boolean answer;
answer = x > z + y;
    • true
    • false

    4.

      Q4: Given the following, what value is stored in variable answer?
      int x = 5, y = 3, z = 1;
boolean answer;
answer = z < y - z;
    • true
    • false

    5.

      Q5: Given the following, what value is stored in variable answer?
      int x = 5, y = 3, z = 1;
boolean answer;
answer = ((x * y) + (x * z)) != ((z * x) + (y * x));
    • true
    • false
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