• Post Reply
  • Bookmark Topic Watch Topic
  • New Topic

Increasing Array size

 
rajesh kumar rayavarapu
Greenhorn
Posts: 12
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi, iam new to the java.
How to increase the array size dynamically?

means if i take arry[3]={0,1,2} and then i want insert 3 in the same arry.Please send to me i have faced this question in one of the interview.

thans,
rajesh
 
fred rosenberger
lowercase baba
Bartender
Posts: 12196
35
Chrome Java Linux
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
you can't. once an array is declared, its size is fixed.

you have the option of declaring a new array, copying over all the values, and re-assigning the reference, however.

or you could use an arraylist instead.
 
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic