v a r   s t a r   =   n e w   A r r a y (   ) ; 
 
 s t a r [ 0 ]   =   " P o l a r i s " ; 
 
 s t a r [ 1 ]   =   " D e n e b " ; 
 
 s t a r [ 2 ]   =   " V e g a " ; 
 
 s t a r [ 3 ]   =   " A l t a i r " ; 
 
 
 
 v a r   n u m S t a r s   =   s t a r . l e n g t h ;       / /   s t a r . l e n g t h   b n g   4 . 
 
 
 
 v a r   m y A r r a y   =   n e w   A r r a y (   ) ; 
 
 m y A r r a y [ 0 ]   =   " f i r s t " ; 
 
 m y A r r a y [ 1 ]   =   " s e c o n d " ; 
 
 v a r   n e w A r r a y   =   m y A r r a y . c o n c a t ( " t h i r d " ) ; 
 
 / /   M n g   n e w A r r a y   b  y   g i   c    c  c   p h n   t   l  [ f i r s t , s e c o n d , t h i r d ] 
 
 
 
 v a r   m y F i r s t A r r a y   =   [ 5 1 , 6 7 ] ; 
 
 v a r   m y S e c o n d A r r a y   =   [ 1 8 , " h e l l o " , 1 2 5 ] ; 
 
 v a r   n e w A r r a y   =   m y F i r s t A r r a y . c o n c a t ( m y S e c o n d A r r a y ) 
 
 / /   / /   M n g   n e w A r r a y   b  y   g i   c    c  c   p h n   t   l  [ 5 1 , 6 7 , 1 8 , " h e l l o " , 1 2 5 ] 
 
 