03 2013 档案
摘要:一、重上次关闭位置启动窗体 (1)获取用户的根首选项节点: public static Preferences userRoot() (2)向首选项保存整型数值: public abstract void putInt(Stirng key,int value) 参数:(1)key:要与字符串形式的value相关联的键 (2)value: 要与key相关联的字符串形式的值 (3)获取首选项中的整型数数值: public abstract int getInt(String key,int def) 参数:(1)key:要作为int返回其关联值的键 (2)def:此首选项节点不具有与k...
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摘要:import java.awt.Color;import javax.swing.JSlider;import javax.swing.JFrame;import javax.swing.JPanel;import java.awt.Dimension;import java.awt.GridLayout;public class JSliderDemo{public static void main (String[] args){JSlider empty = new JSlider ();JSlider age = new JSlider (JSlider.VERTICAL, 0, 15
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