List (most used with lambdas)

List and Lambdas: A Powerful Combination

List<E> (mainly ArrayList and LinkedList) is the most used interface in Java to work with ordered collections of elements. Its efficiency stands out even more when combined with lambda expressions, allowing concise and efficient data manipulation.

Let’s look at some examples:

List<String> nomes = Arrays.asList("Ana", "Carlos", "Bruna");

// Iteração com forEach e lambda
nomes.forEach(nome -> System.out.println(nome));

// Remoção de elementos com removeIf e lambda
nomes.removeIf(nome -> nome.startsWith("C"));
System.out.println(nomes); // Saída: [Ana, Bruna]

// Transformação de elementos com replaceAll e lambda
nomes.replaceAll(nome -> nome.toUpperCase());
System.out.println(nomes); // Saída: [ANA, BRUNA]

As demonstrated, forEach, removeIf and replaceAll simplify common operations on lists, making the code cleaner and more readable through the use of lambdas. This combination is ideal for tasks such as filtering, transforming and iterating elements.

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