dyninit.java

Java 程序设计源码 只提供了部分

//demonstrate dynamic initialization
class dyninit
{
	public static void main(String[] args)
	{
		double a = 3.0,b = 4.0;
		
		//c is dynamically initialized
		double c = Math.sqrt(a * a + b * b);
		
		System.out.println("hypotinuse is " + c);
	}
}