arraysize.java

java编程思想的部分实现

//:c09: ArraySize.java
class Weeble{}
public class ArraySize
{
	public static void main(String [] args)
	{
		Weeble[] a;
		Weeble[] b=new Weeble[5];
		Weeble[] c=new Weeble[4];
		for(int i=0;i<c.length;i++)
		{
			c[i]=new Weeble();
		}
			Weeble[] d={new Weeble(),new Weeble(),new Weeble()};
		
		a=new Weeble[]{new Weeble(),new Weeble()};
		System.out.println("a.length= "+a.length);
		System.out.println("b.length= "+b.length);
		for(int i=0;i<b.length;i++)
		{
			System.out.println("b["+i+"]="+b[i]);
			
		}
		System.out.println("c.length= "+c.length);
			System.out.println("d.length= "+d.length);
			a=d;
			System.out.println("a.length= "+a.length);
			
			int []e ;
			int[]f=new int[5];
			int[]g=new int[4];
			for(int i=0;i<g.length;i++)
			g[i]=i*i;
			int[]h={11,47,93};
			System.out.println("f.length= "+f.length);
			for(int i=0;i<f.length;i++)
			System.out.println("f["+i+"]="+f[i]);
			System.out.println("g.length= "+g.length);
			System.out.println("h.length= "+h.length);
			e=h;
			System.out.println("e.length= "+e.length);
			e=new int[]{1,2};
			System.out.println("e.length= "+e.length);
			
			
	}
}