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"};

Similar codes

0 vote129 views1 answer
Spring converter in initbinder
Java
9 votes122 views2 answers
Change port in spring boot
Java
1 vote123 views1 answer
Jaxb exclude field
Java
13 votes117 views6 answers
Method in java
Java
-3 votes127 views2 answers
Multiplication Table in java
Java
0 vote116 views1 answer
How todo a timeout test java
Java
2 votes115 views1 answer
Java math.pi
Java
4 votes132 views1 answer
Java remove while iterating
Java
2 votes126 views1 answer
Priority queue java comparator
Java
2 votes75 views1 answer
Remove event listener
Java