类的加载顺序

/**
 * 父类 
 *
 */
public class Parent 
{
	private int ix = 50;
	private static int iz = getNext(30);
	{
		System.out.println("Parent的初始化块");
		int x = 100;
		int y = getNext(100);
	}

	static
	{
		System.out.println("Parent的静态初始化块");
		int sx = 100;
		int sy = getNext(100);
	}

	public Parent()
	{
		System.out.println("Parent的构造方法被调用");
	}

	public void display()
	{
		System.out.println("Parentde的display方法被调用");
		System.out.print("ix=" + this.ix);
		System.out.println("; iz=" + iz);
		dispA();
	}

	public static int getNext(int base)
	{
		System.out.println("Parent的getNext(int base)被调用");
		return ++base;
	}

	public static void dispA()
	{
		System.out.println("Parent的dispA()被调用");
	}

	protected void finalize()
	{
		System.out.println("Parent的销毁方法被调用");
	}
}

public class Child extends Parent
{
	{
		System.out.println("Child的初始化块");
		int bx = 100;
	}

	static
	{
		System.out.println("Child的静态化初始化块");
	}

	public Child()
	{
		super();
		System.out.println("Child的构造方法被调用");
	}

	public static void dispB()
	{
		System.out.println("Child的dispB()被调用");
	}

	/**
	 * 当Java进行垃圾回收时，会调用对象的finalize方法
	 */
	protected void finalize()
	{
		System.out.println("Child的销毁方法被调用");
		super.finalize();
	}
}

/**
 * 类的加载顺序
 *
 */
public class ClassInitOrderTest {
	public static void main(String args[])
	{
		System.out.println("不new对象，访问静态方法时的输出：");
		Child.dispB();
		System.out.println();
		System.out.println("new对象，访问非静态方法时的输出：");
		new Child().display();
		//通知虚拟机进行垃圾回收
		System.gc();
	}
}