[Chapter 18] 18.30 java.awt.GridLayout (JDK 1.0)

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| Chapter 18 The java.awt Package |

## 18.30 java.awt.GridLayout (JDK 1.0)

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This class implements the `LayoutManager` interface to lay out `Component` objects in a `Container`. It divides the `Container` into a specified number of rows and columns and arranges the components in those rows and columns, left-to-right and top-to-bottom. If either the number of rows or the number of columns is set to zero, its value is computed from the other dimension and the total number of components. Do not confuse this class with the more flexible and complicated `GridBagLayout`.

Note that applications should never call the `LayoutManager` methods of this class directly; the `Container` for which the `GridLayout` is registered does this.

    public class GridLayout extends Object implements LayoutManager, Serializable {
        // Public Constructors
            1.1  public GridLayout();
                public GridLayout(int rows, int cols);
                public GridLayout(int rows, int cols, int hgap, int vgap);
        // Public Instance Methods
                public void addLayoutComponent(String name, Component comp);  // From LayoutManager
            1.1  public int getColumns();
            1.1  public int getHgap();
            1.1  public int getRows();
            1.1  public int getVgap();
                public void layoutContainer(Container parent);  // From LayoutManager
                public Dimension minimumLayoutSize(Container parent);  // From LayoutManager
                public Dimension preferredLayoutSize(Container parent);  // From LayoutManager
                public void removeLayoutComponent(Component comp);  // From LayoutManager
            1.1  public void setColumns(int cols);
            1.1  public void setHgap(int hgap);
            1.1  public void setRows(int rows);
            1.1  public void setVgap(int vgap);
                public String toString();  // Overrides Object
    }

java.awt.GridBagLayout (JDK 1.0) |  | java.awt.IllegalComponentStateException (JDK 1.1)