Java Quiz 1

What is a function in Java?

• A piece of code that performs a specific task and can be reused throughout a program.

• A variable that stores data temporarily.

• A graphical user interface element like buttons or text fields.

• A way to organize files and folders in a Java project.

What is a variable in Java?

• A type of loop used for iterating through arrays.

• A piece of code that defines a specific task to be executed.

• A placeholder used to store data that can change during the execution of a program.

• A method used to print output to the console.

What does an ellipse do in Java ?

• It creates a line connecting two points.

• It draws a circle with a specified radius.

• It draws an oval or a circle at a specified position and size.

• It fills the background of a graphical window with a specified color.

In a 400 x 400 grid space in Java, where would you place the center of an ellipse to position it at the center of the grid?

• (400, 400)

• (200, 200)

• (0, 0)

• (300, 300)

What does the rect() function do in Java?

• It draws a circle at a specified position and size.

• It fills the background of a graphical window with a specified color.

• It creates a line connecting two points.

• It draws a rectangle at a specified position and size.

In Java graphics, what do the third and fourth parameters represent in the rect() and ellipse() functions?

• They determine the width and height of the shape.

• They specify the starting position of the shape.

• They set the color of the shape.

• They control the rotation and angle of the shape.

What do the first and second parameters represent in the rect() and ellipse() functions in Java graphics?

• They determine the width and height of the shape.

• They specify the starting position of the shape.

• They set the color of the shape.

• They control the rotation and angle of the shape.

What does the X-axis represent in Java?

• The vertical line that divides the screen into two equal halves.

• The horizontal line that divides the screen into two equal halves.

• The line that connects the origin (0,0) to any point on the screen.

• The line that connects the top-left corner to the bottom-right corner of the screen.

What does the Y-axis represent in Java?

• The vertical line that divides the screen into two equal halves.

• The horizontal line that divides the screen into two equal halves.

• The line that connects the origin (0,0) to any point on the screen.

• The line that connects the top-left corner to the bottom-right corner of the screen.

What does the fill() function do in Java graphics?

• It sets the stroke color for drawing shapes.

• It fills the interior of a shape with a specified color.

• It defines the border thickness of shapes.

• It clears the screen to a specified color.