how to declare and initialize an arraylist in one line java code example

Example 1: java instantiate list with value

List<String> strings = Arrays.asList("foo", "bar", "baz");

Example 2: java instantiate collection with values

List<Integer> integerArray = Arrays.asList(2, 41, 42, 48);

Example 3: {} when initialising arraylist java

ArrayList<Type> obj = new ArrayList<Type>(
        Arrays.asList(Object o1, Object o2, Object o3, ....so on));

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