In this article we discuss the JButton class of Swing in Java. What JButton class is? This class creates a button that has a platform-independent implementation. The JButton class always extends the AbstractButton class. Commonly used Constructors JButton() Generates a button with no text or ...
Fields inherited from class javax.swing.JComponent listenerList,TOOL_TIP_TEXT_KEY,ui,UNDEFINED_CONDITION,WHEN_ANCESTOR_OF_FOCUSED_COMPONENT,WHEN_FOCUSED,WHEN_IN_FOCUSED_WINDOW Fields inherited from class java.awt.Component accessibleContext,BOTTOM_ALIGNMENT,CENTER_ALIGNMENT,LEFT_ALIGNMENT,RIGHT_ALIGNMENT,TOP...
java中JButton的大小 java怎么排大小 1,选择排序:先找到数列中最小的数,放到数列的最前面;接着在剩下的数里面找最小数,放到刚才那个最小数的后面,依此类推,就能实现排序。 实现过程:5 3 8 7 2 1 第一步:先找到最小的 1 1和5 交换位置 1 3 8 7 2 5 第二步: 保持1 的位置不变 找第二个最小...
综合以上步骤,完整代码如下: importjavax.swing.JButton;importjavax.swing.JFrame;importjavax.swing.JLabel;importjava.awt.GridLayout;publicclassMyFrame{publicstaticvoidmain(String[]args){JFrameframe=newJFrame("My GUI");frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.setSize(300,200);frame...
public classJButton extendsAbstractButton implementsAccessible "push" 按钮的实现。 通过Action可配置按钮,并进行一定程度的控制。将Action用于按钮具有许多直接配置按钮所不及的优点。有关更多详细信息,请参阅支持的ActionSwing 组件,可在The Java Tutorial中的How to Use Actions一节找到更到信息。
Class JButton java.lang.Object java.awt.Component java.awt.Container javax.swing.JComponent javax.swing.AbstractButton javax.swing.JButton 实现的所有接口 ImageObserver,ItemSelectable,MenuContainer,Serializable,Accessible,SwingConstants 已知直接子类:
removeNotifyin classAbstractButton See Also: JComponent.registerKeyboardAction(java.awt.event.ActionListener, java.lang.String, javax.swing.KeyStroke, int) paramString protectedStringparamString() Returns a string representation of thisJButton. This method is intended to be used only for debugging purpos...
编写Java程序时,通常需要遵循以下步骤: 编写源代码:使用文本编辑器(如Notepad++或IDE)编写Java源代码文件(以.java为后缀)。编译程序:使用javac命令将源代码编译为字节码文件(以.class为后缀)。例如: javac Main.java 运行 这一步会生成一个名为Main.class的字节码文件。
Fields declared in interface java.awt.image.ImageObserver ABORT,ALLBITS,ERROR,FRAMEBITS,HEIGHT,PROPERTIES,SOMEBITS,WIDTH Fields declared in interface javax.swing.SwingConstants BOTTOM,CENTER,EAST,HORIZONTAL,LEADING,LEFT,NEXT,NORTH,NORTH_EAST,NORTH_WEST,PREVIOUS,RIGHT,SOUTH,SOUTH_EAST,SOUTH_WEST,TOP,TRAILI...
java 在JFrame中使用JButton改变背景颜色另外请注意,您不需要将所有类都设为公共类。只需要包含static ...