error message of jagged array

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hi
learned jagged array today and was working with them! came across two error messages

int [][]j1=new int[][];

now i get two error messages displayed

1) when i keep my cursor/pointer on the new int part then i get to see the following error message

"Wrong number of indices inside[];excepted1"

2) when i keep my cursor/pointer on the indices then the following error message is displayed

"Array creation must have array size or array "initializer".

2nd error message is pretty straight forward as it explains about the need to declare an array(row) size or initialize the(row)array in case of JAGGED ARRAYS

my question here is what is the meaning of the first error message;

Posted 23-Apr-12 19:59pm

mpvkrishnadhar

Updated 23-Apr-12 20:31pm

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code4Better · Answer 1 · 2012-04-23T20:16:00

Solution 1

Jagged array contains collection of arrays. When you say
int [][]j1=new int[][]; here you are not specifying how many arrays should be there in j1. So compiler is giving error message "Array creation must have array size".

Posted 23-Apr-12 20:16pm

code4Better

Comments

mpvkrishnadhar 24-Apr-12 2:30am

u r right buddy! but what about the first error message!

mpvkrishnadhar 24-Apr-12 2:31am

oops buddy the question was for 1 error message! typo mistake!