java - Sort array containing null elements -

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• how sort array of objects containing null elements? 4 answers

i have string array of size 1000:

string[] substrstore = new string[1000]; 

i have 6 elements in array. if sort using:

arrays.sort(substrstore); 

i getting null pointer exception because tries compare null elements. how can solve problem?

if strings first 6 elements can use

arrays.sort(substrstore, 0, 6);