Each Java class must contain a main method. true false 2. A JavaFX action event

Question

Each Java class must contain a main method.

true

false

2. A JavaFX action event handler contains a method ________.

public void actionPerformed(ActionEvent e)

public void actionPerformed(Event e)

public void handle(ActionEvent e)

public void handle(Event e)

An exception is raised due to Integer.parseInt(s);

An exception is raised due to 2 / i;

The program has a compilation error.

The program compiles and runs without exceptions

The program displays 0 1 2 3 4

The program displays 4

The program has a runtime error because the last statement in the main method causes ArrayIndexOutOfBoundsException.

The program has a compile error because i is not defined in the last statement in the main method.

Check all that apply

5.   java.util.Stack is a subclass of ________.

java.util.ArrayList

java.util.LinkedList

java.util.AbstractList

java.util.Vector

java.util.List

true

false

ach Java class must contain a main method. true false 2. A JavaFX action event handler contains a method ________. public void actionPerformed(ActionEvent e) public void actionPerformed(Event e) public void handle(ActionEvent e) public void handle(Event e) 3. Analyze the following program. An exception is raised due to Integer.parseInt(s); An exception is raised due to 2 / i; The program has a compilation error. The program compiles and runs without exceptions 4. Analyze the following code: The program displays 0 1 2 3 4 The program displays 4 The program has a runtime error because the last statement in the main method causes ArrayIndexOutOfBoundsException. The program has a compile error because i is not defined in the last statement in the main method. Check all that apply 5. java.util.Stack is a subclass of ________. java.util.ArrayList java.util.LinkedList java.util.AbstractList java.util.Vector java.util.List

Explanation / Answer

1) false

2) public void handle(Event e)

3) The program compiles and runs without exceptions

4) The program has a runtime error because the last statement in the main method causes ArrayIndexOutOfBoundsException.

5) java.util.AbstractList

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