🚀 go-pugleaf

Ҳ��Դ������߰�
-----------------------------------------------------------------------------
class Weeble {} 
public class ArraySize {
  public static void main(String[] args) {
    // Arrays of objects:
    Weeble[] a ; // Local uninitialized variable
    Weeble[] b = new Weeble[5]; // Null references
    Weeble[] c = new Weeble[4];
    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);
    for(int i = 0; i < c.length; i++)
      System.out.println("c[" + i + "]=" + c[i]);
// Dynamic aggregate initialization:
   a = new Weeble[6];
   System.out.println("a.length = " + a.length);
    for(int i = 0; i < a.length; i++)
      System.out.println("a[" + i + "]=" + a[i]);
   a = new Weeble[]{new Weeble(), new Weeble()};
   System.out.println("a.length = " + a.length);
    for(int i = 0; i < a.length; i++)
      System.out.println("a[" + i + "]=" + a[i]);
   b = new Weeble[]{new Weeble(), new Weeble(),new Weeble(), new Weeble
(),new Weeble()};
   System.out.println("b.length = " + b.length);
    for(int i = 0; i < b.length; i++)
      System.out.println("b[" + i + "]=" +b[i]);
  }
} 
---------------------------------------------------------------------------
������Ϊ:
b.length = 5
b[0]=null
b[1]=null
b[2]=null
b[3]=null
b[4]=null
c.length = 4
c[0]=null
c[1]=null
c[2]=null
c[3]=null
a.length = 6
a[0]=null
a[1]=null
a[2]=null
a[3]=null
a[4]=null
a[5]=null
a.length = 2
a[0]=Weeble@372a1a
a[1]=Weeble@ad3ba4
b.length = 5
b[0]=Weeble@26b249
b[1]=Weeble@82f0db
b[2]=Weeble@92d342
b[3]=Weeble@6b97fd
b[4]=Weeble@c78e57
----------------------------------------------------------------------------
--

�� ��Դ:���Ұ��Ͽ�վ nkbbs.org ��Web[FROM: 202.113.183.17]