Jun 17, 2009 · But preferably, just use the Stream without collecting it to a List. If you specifically need a java.util.ArrayList * If you want to both prepopulate an ArrayList and add to it …

Jun 29, 2011 · {{Double-brace initialization}} is known to create classpath clutter and slow down execution. It also requires one line of code per element. Java 9: the static factory method …

Aug 2, 2013 · Is there a way to create a list of primitive int or any primitives in java. No you can't. You can only create List of reference types, like Integer, String, or your custom type. It seems I …

If you do plan on rolling your own framework, I'd also suggest not using List<List<String>> as your implementation - you'd probably be better off implementing CSVDocument and CSVRow …

List<String> x = new ArrayList<>(Arrays.asList("xyz", "abc")); If you don't want to add new elements to the list later, you can also use (Arrays.asList returns a fixed-size list): List<String> …

Oct 1, 2008 · In Java 9, you can use List.of static factory method in order to create a List literal. Something like the following: Something like the following: List<Element> elements = …

Imagine that I have a list of certain objects: List&lt;Student&gt; And I need to generate another list including the ids of Students in the above list: List&lt;Integer&gt; Avoiding using a loop,...

Jan 17, 2012 · the size is the number of elements in the list; the capacity is how many elements the list can potentially accommodate without reallocating its internal structures. When you call …

List<ViewValue> source = newArrayList(new ViewValue(1), new ViewValue(2), new ViewValue(2)); We could make transformation with List class from Javaslang library (on the …

Nov 1, 2010 · There are some differences between the way you're creating a linked list and the way the Java collections API does it. The Collections API is trying to adhere to a more …