What is group layout in Java?

GroupLayout is a LayoutManager that hierarchically groups components in order to position them in a Container . GroupLayout is intended for use by builders, but may be hand-coded as well. Grouping is done by instances of the Group class. GroupLayout supports two types of groups.

What is group layout with example?

GroupLayout treats each axis independently. That is, there is a group representing the horizontal axis, and a group representing the vertical axis.


Modifier and Type Field Description
static int DEFAULT_SIZE It indicates the size from the component or gap should be used for a particular range value.

What is box layout in Java?

The BoxLayout class is used to arrange the components either vertically (along Y-axis) or horizontally (along X-axis). In BoxLayout class, the components are put either in a single row or a single column.

Which layout class is used to align component vertically and horizontally or along their baseline?

The Java GridBagLayout class is used to align components vertically, horizontally or along their baseline. The components may not be of the same size. Each GridBagLayout object maintains a dynamic, rectangular grid of cells.

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What are the different layout used in Java programming?

To arrange the components in a container, the various layout classes can be used such as Flow layout and Border Layout. These layouts use relative positioning to place the components on the container, which means the components automatically adjust their position according to the frame size.

What is group layout?

GroupLayout is a LayoutManager that hierarchically groups components in order to position them in a Container . GroupLayout is intended for use by builders, but may be hand-coded as well. Grouping is done by instances of the Group class.

What is JscrollPane in Java Swing?

A JscrollPane is used to make scrollable view of a component. When screen size is limited, we use a scroll pane to display a large component or a component whose size can change dynamically.

What is null layout in Java?

null layout is not a real layout manager. It means that no layout manager is assigned and the components can be put at specific x,y coordinates. It is useful for making quick prototypes. But it is not recommended for production because it is not portable.

What is purpose of JTree Mcq?

The JTree class is used to display the tree structured data or hierarchical data. JTree is a complex component. It has a ‘root node’ at the top most which is a parent for all nodes in the tree. It inherits JComponent class.

What is box layout?

Box Layout Features. As said before, BoxLayout arranges components either on top of each other or in a row. As the box layout arranges components, it takes the components’ alignments and minimum, preferred, and maximum sizes into account. In this section, we will talk about top-to-bottom layout.

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What is Gridx and Gridy?

gridx: An int value that specifies the leftmost cell that the component occupies. gridx specifies the column in which the component will be placed. gridy: An int value that specifies the topmost cell that the component occupies. gridy specifies the row in which it will be placed.

What is the difference between grid and GridBagLayout?

A GridLayout puts all the components in a rectangular grid and is divided into equal-sized rectangles and each component is placed inside a rectangle whereas GridBagLayout is a flexible layout manager that aligns the components vertically and horizontally without requiring that the components be of the same size.

What is a flow layout?

A flow layout arranges components in a left-to-right flow, much like lines of text in a paragraph. Flow layouts are typically used to arrange buttons in a panel. It will arrange buttons left to right until no more buttons fit on the same line.

Why do we need layout in Java?

The Layout managers enable us to control the way in which visual components are arranged in the GUI forms by determining the size and position of components within the containers.

What is AWT?

AWT stands for Abstract window toolkit is an Application programming interface (API) for creating Graphical User Interface (GUI) in Java. It allows Java programmers to develop window-based applications.

What is a container in Java?

Containers are the interface between a component and the low-level, platform-specific functionality that supports the component. Before it can be executed, a web, enterprise bean, or application client component must be assembled into a Java EE module and deployed into its container.

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