arraylist java
//requires either one of these two imports, both work.
import java.util.ArrayList;
//--or--
import java.util.*
ArrayList<DataType> name = new ArrayList<DataType>();
//Defining an arraylist, substitute "DataType" with an Object
//such as Integer, Double, String, etc
//the < > is required
//replace "name" with your name for the arraylistarraylist 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();Copyright © 2021 Codeinu
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