testruntime.java

学习java的详细的样例

class testruntime
{
		public static void main(String[]args)
		{
				Runtime rt = Runtime.getRuntime();
				System.out.println(rt.freeMemory());
				System.out.println(rt.totalMemory());
				
				try
				{
						rt.exec("notepad");
				}
				catch(Exception e)
				{
						e.printStackTrace();
				}
		}
}