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JDK 1.1 Source Code Directory
JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes:
"C:\fyicenter\jdk-1.1.8\src".
Here is the list of Java classes of the JDK 1.1 source code:
✍: FYIcenter
⏎ java/awt/CheckboxGroup.java
/* * @(#)CheckboxGroup.java 1.22 01/12/10 * * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.awt; /** * The <code>CheckboxGroup</code> class is used to group together * a set of <code>Checkbox</code> buttons. * <p> * Exactly one check box button in a <code>CheckboxGroup</code> can * be in the "on" state at any given time. Pushing any * button sets its state to "on" and forces any other button that * is in the "on" state into the "off" state. * <p> * The following code example produces a new check box group, * with three check boxes: * <p> * <hr><blockquote><pre> * setLayout(new GridLayout(3, 1)); * CheckboxGroup cbg = new CheckboxGroup(); * add(new Checkbox("one", cbg, true)); * add(new Checkbox("two", cbg, false)); * add(new Checkbox("three", cbg, false)); * </pre></blockquote><hr> * <p> * This image depicts the check box group created by this example: * <p> * <img src="images-awt/CheckboxGroup-1.gif" * ALIGN=center HSPACE=10 VSPACE=7> * <p> * @version 1.22 12/10/01 * @author Sami Shaio * @see java.awt.Checkbox * @since JDK1.0 */ public class CheckboxGroup implements java.io.Serializable { /** * The current choice. */ Checkbox selectedCheckbox = null; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = 3729780091441768983L; /** * Creates a new instance of <code>CheckboxGroup</code>. * @since JDK1.0 */ public CheckboxGroup() { } /** * Gets the current choice from this check box group. * The current choice is the check box in this * group that is currently in the "on" state, * or <code>null</code> if all check boxes in the * group are off. * @return the check box that is currently in the * "on" state, or <code>null</code>. * @see java.awt.Checkbox * @see java.awt.CheckboxGroup#setSelectedCheckbox * @since JDK1.1 */ public Checkbox getSelectedCheckbox() { return getCurrent(); } /** * @deprecated As of JDK version 1.1, * replaced by <code>getSelectedCheckbox()</code>. */ public Checkbox getCurrent() { return selectedCheckbox; } /** * Sets the currently selected check box in this group * to be the specified check box. * This method sets the state of that check box to "on" and * sets all other check boxes in the group to be off. * <p> * If the check box argument is <code>null</code> or belongs to a * different check box group, then this method does nothing. * @param box the <code>Checkbox</code> to set as the * current selection. * @see java.awt.Checkbox * @see java.awt.CheckboxGroup#getSelectedCheckbox * @since JDK1.1 */ public void setSelectedCheckbox(Checkbox box) { setCurrent(box); } /** * @deprecated As of JDK version 1.1, * replaced by <code>setSelectedCheckbox(Checkbox)</code>. */ public synchronized void setCurrent(Checkbox box) { if (box != null && box.group != this) { return; } Checkbox oldChoice = this.selectedCheckbox; this.selectedCheckbox = box; if ((oldChoice != null) && (oldChoice != box)) { oldChoice.setState(false); } if (box != null && oldChoice != box && !box.getState()) { box.setStateInternal(true); } } /** * Returns a string representation of this check box group, * including the value of its current selection. * @return a string representation of this check box group. * @since JDK1.0 */ public String toString() { return getClass().getName() + "[selectedCheckbox=" + selectedCheckbox + "]"; } }
⏎ java/awt/CheckboxGroup.java
Â
⇒ Backup JDK 1.1 Installation Directory
⇠JDK 1.1 classes.zip - Java Core Classes
2018-11-17, 91517👍, 0💬
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