Uses of Class java.awt.GridBagConstraints (Java Platform SE 8 )
Date: 2026-03-16

## Uses of Class
java.awt.GridBagConstraints

- Packages that use GridBagConstraints
  Package | Description
  --- | ---
  java.awt | Contains all of the classes for creating user interfaces and for painting graphics and images.
  javax.swing.plaf.basic | Provides user interface objects built according to the Basic look and feel.

- - ### Uses of GridBagConstraints in java.awt

    Fields in java.awt declared as GridBagConstraints
    Modifier and Type | Field and Description
    --- | ---
    `protected GridBagConstraints` | GridBagLayout.`defaultConstraints` This field holds a gridbag constraints instance containing the default values, so if a component does not have gridbag constraints associated with it, then the component will be assigned a copy of the `defaultConstraints`.

    Fields in java.awt with type parameters of type GridBagConstraints
    Modifier and Type | Field and Description
    --- | ---
    `protected Hashtable<Component,GridBagConstraints>` | GridBagLayout.`comptable` This hashtable maintains the association between a component and its gridbag constraints.

    Methods in java.awt that return GridBagConstraints
    Modifier and Type | Method and Description
    --- | ---
    `GridBagConstraints` | GridBagLayout.`getConstraints(Component comp)` Gets the constraints for the specified component.
    `protected GridBagConstraints` | GridBagLayout.`lookupConstraints(Component comp)` Retrieves the constraints for the specified component.

    Methods in java.awt with parameters of type GridBagConstraints
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | GridBagLayout.`adjustForGravity(GridBagConstraints constraints, Rectangle r)` Adjusts the x, y, width, and height fields to the correct values depending on the constraint geometry and pads.
    `protected void` | GridBagLayout.`AdjustForGravity(GridBagConstraints constraints, Rectangle r)` This method is obsolete and supplied for backwards compatibility only; new code should call `adjustForGravity` instead.
    `void` | GridBagLayout.`setConstraints(Component comp, GridBagConstraints constraints)` Sets the constraints for the specified component in this layout.

  - ### Uses of GridBagConstraints in javax.swing.plaf.basic

    Methods in javax.swing.plaf.basic with parameters of type GridBagConstraints
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | BasicOptionPaneUI.`addMessageComponents(Container container, GridBagConstraints cons, Object msg, int maxll, boolean internallyCreated)` Creates the appropriate object to represent `msg` and places it into `container`.

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