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 vote297 views1 answer
2 multiples recursion
Java
1 vote312 views1 answer
Spring serve robots.txt
Java Spring
1 vote251 views1 answer
Java par o impar
Java
0 vote256 views1 answer
Groovy BASE64 Encode
Java
0 vote274 views1 answer
Get all keys from pbject javascirpt
Java
1 vote263 views1 answer
Unicode in java
Java
1 vote280 views2 answers
Dockerfile for spring boot app
Java
3 votes280 views3 answers
Java max array
Java
0 vote283 views1 answer
Classloader in static method
Java
1 vote254 views3 answers
Android imageview set image from drawable programmatically
Java