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用Java代码查看系统默认字符集编码

public class EchoDefaultSystemEncoding
{
    public static void main(String[] args)
    {
           String encoding = System.getProperty("file.encoding");
           System.out.println("Default System Encoding:" + encoding);
    }
}


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JAVA System.getProperty()参数


Java代码 < type="application/x-shockwave-flash" width="14" height="15" src="http://xiaoxinshome.javaeye.com/javascripts/syntaxhighlighter/clipboard_new.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" allowscriptaccess="always" quality="high" flashvars="clipboard=%20%20%20%20%20 ......

java 数组操作,从数组a中删除数组b中存在的元素

 //从数组a中删除数组b中存在的元素
 String stra[] = {"g","b","c","h","k"};//原始数组
  String strb[] = {"g","k"};   //移除的元素
  ArrayList list = new ArrayList();
//方法一
  for(int i=0;i<stra.length;i++){
   int n=0;
  ......

Java SWT 窗口居中对齐

public static void CentreWnd(Shell shell){
int width = shell.getMonitor().getClientArea().width;
int height = shell.getMonitor().getClientArea().height;
int x = shell.getSize().x;
int y = shell.getSize().y;
if (x > width) {
shell.getSize().x = width;
}
if (y > height) ......

java面试题,质数求和

public class Test {
 /**
  * @param args
  */
 public static void main(String[] args) {
  /**
   * 求质数和,
   * 如:
   * sum(1)=2=2
   * sum(2)=2+3=5
   * sum(3)=2+3+5=10
   * sum(4)=2+3+5+7=17
& ......
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