JAVA

find max integer in arraylist java

 List<Integer> list = new ArrayList<Integer>();
Collections.max(list)

java arraylist max length

The theoretical limit for ArrayList capacity is Integer. MAX_VALUE, a.k.a. 2^31 - 1, a.k.a. 2,147,483,647. But you'll probably get an OutOfMemoryError long before that time because, well, you run out of memory