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Questions and Answers
What is the equivalent code for if (gender == 1) { if (age >= 65) { ++seniorFemales; } }?
What is the equivalent code for if (gender == 1) { if (age >= 65) { ++seniorFemales; } }?
Which methods are overloaded among the given examples?
Which methods are overloaded among the given examples?
What is the correct code for calling the method public void displayValue(int value)?
What is the correct code for calling the method public void displayValue(int value)?
What is the value of c at the end of the code int c = 8; c++; ++c; c %= 5;?
What is the value of c at the end of the code int c = 8; c++; ++c; c %= 5;?
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What are the values of x and y after executing the code int x = 25, y = 8; x += y++;?
What are the values of x and y after executing the code int x = 25, y = 8; x += y++;?
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What is the value of result after executing the expression result = d % a * c + a % b + a; with a=4, b=12, c=37, d=51?
What is the value of result after executing the expression result = d % a * c + a % b + a; with a=4, b=12, c=37, d=51?
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Which keyword indicates the main method can be called without creating an object?
Which keyword indicates the main method can be called without creating an object?
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Which JFrame constant indicates that the program should terminate when the window is closed by the user?
Which JFrame constant indicates that the program should terminate when the window is closed by the user?
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Study Notes
Quizlet-style Flashcards - Page 1
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Conditional Statement Equivalent: The correct equivalent of
if (gender == 1) { if (age >= 65) { ++seniorFemales; } }isif (gender == 1 && age >= 65) { ++seniorFemales; }. Use the&&(AND) operator for both conditions to be true. -
Overloaded Methods: All four methods (A, B, C, and D) in the example are overloaded.
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Method Call: The correct syntax for calling the
displayValuemethod with an integer value isint x = 7; displayValue(x);
Quizlet-style Flashcards - Page 2
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Variable
cCalculation: The value ofcafter executingint c = 8; c++; ++c; c %= 5;is1. -
Variable Assignment: After executing
int x = 25, y = 8; x += y++;, the value ofxis33andyis9. They++part incrementsyafter the assignment tox. -
Expression Evaluation: The value of
resultafterresult = d % a * c + a % b + a;witha=4, b=12, c=37, d=51is119. -
Main Method Access: The keyword that indicates the
mainmethod can be called without creating an object isstatic.
Quizlet-style Flashcards - Page 3
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JFrame Termination: The
JFrameconstant that indicates program termination when the window is closed by the user isEXIT_ON_CLOSE. -
GUI Event Handling: The steps for setting up event handling in a GUI include: creating a class for the event handler. Implementing the appropriate event listener interface, and registering the event handler.
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User Input Event: Pressing Enter in a
JPasswordFieldgenerates anActionEventand is processed by an object implementingActionListener. Correctly usingActionEventandActionListeneris critical for handling user input in GUI.
Quizlet-style Flashcards - Page 4
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JRadioButton vs. JCheckBox: The key difference between
JRadioButtonandJCheckBoxis thatJRadioButtons are mutually exclusive (only one can be selected at a time), whileJCheckBoxes can be selected independently. This is often tied to a choice between an either-or or a multiple-choice decision. -
Text Event Handling The correct combination of classes for handling Text events is
TextEventandTextEventListener.
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Description
Test your knowledge of important concepts in Java programming, including conditional statements, method overloading, and variable manipulation. This quiz covers fundamental aspects that are essential for understanding Java syntax and logic.
