for_each ?? 又不是 XML ,当然没有打开一个文件:
File f = new File(String pathname)
一般读文件的话
BufferedReader Reader = new BufferedReader(new FileReader("aaatxt"));
String str = Reader.readLine();
读完的标志是 str = null系统的屏幕大小:
Toolkit toolkit = Toolkit.getDefaultToolkit();
Dimension screenSize = toolkit.getScreenSize();
int SWidth = screenSize.width
int SHeight = screenSize.height改变字体:
Font f=new Font("宋体",Font.PLAIN,12);
UIManager.put("Button.font",f);
UIManager.put("Label.font",f);
其余字体类推
File f = new File(String pathname)
一般读文件的话
BufferedReader Reader = new BufferedReader(new FileReader("aaatxt"));
String str = Reader.readLine();
读完的标志是 str = null系统的屏幕大小:
Toolkit toolkit = Toolkit.getDefaultToolkit();
Dimension screenSize = toolkit.getScreenSize();
int SWidth = screenSize.width
int SHeight = screenSize.height改变字体:
Font f=new Font("宋体",Font.PLAIN,12);
UIManager.put("Button.font",f);
UIManager.put("Label.font",f);
其余字体类推
Process p = Runtime.getRuntime().exec("Path\\aa.exe");
p.waitFor();
或
Process p = Runtime.getRuntime().exec("cmd.exe /c Path\\aa.exe")
p.waitFor();
如果要执行一个 DOS 命令
Process p = Runtime.getRuntime().exec("cmd.exe /c dir")
p.waitFor();PS: 还是宽带好