Arraylist methods in java

// Assign to list variable directly with STREAM FILTER METHID
ArrayList<String> filteredColors = (ArrayList<String>) colors.stream().filter(x -> x.contains("o")).collect(Collectors.toList());

// Clone and remove unwanted(TRADITIONAL FILTERING)
filteredColors = (ArrayList<String>) colors.clone();
filteredColors.removeIf(x -> !x.contains("o"));

// Find specific element
colors.stream().filter(x -> x.contains("ora")).findFirst().get();

Array methods in java

String[] aArray = new String[5];
String[] bArray = {"a","b","c", "d", "e"};
String[] cArray = new String[]{"a","b","c","d","e"};

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