Expressions-WE8-P1

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Section 2.24 Expressions-WE8-P1

Subgoals for evaluating an assignment statement.

Determine resultant data type of expression
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Update variable for pre operators based on side effect
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Solve arithmetic equation, operator precedence
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Is the Left Hand Side (LHS) of the assignment statement a variable? Check the data type of the value on right hand side (RHS) against data type of LHS variable.
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Update variable for post operators based on side effect
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Subsection 2.24.1

Given

int  x = 4, y = 6;
boolean result;

What is the value of result after each of the following?

Exercises Exercises

1.

Q52: result = x < y;

true
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false
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2.

Q53: result = x + 2 < y;

true
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false
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3.

Q54: result = x != y;

true
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false
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4.

Q55: result = x + 3 >= y;

true
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false
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5.

Q56: result = y == x;

true
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false
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6.

Q57: result = y == x+2;

true
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false
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7.

Q58: result = 7 == 7;

true
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false
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8.

Q59: result = 13 < 100;

true
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false
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9.

Q60: result = -17.32 != -17.32;

true
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false
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10.

Q61: result = -3.0 == 0.0;

true
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false
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11.

Q62: result = 13 <= 100;

true
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false
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12.

Q63: result = -18 < -15;

true
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false
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13.

Q64: result = 4.2 > 3.7;

true
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false
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14.

Q65: result = 13 <= 13;

true
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false
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15.

Q66: result = 0.012 > 0.013;

true
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false
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