java clone list and objects inside code example
Example 1: javascript clone object
var sheep={"height":20,"name":"Melvin"};
var clonedSheep=JSON.parse(JSON.stringify(sheep));
Example 2: how to get elements of a list in java
int num = list.get(0);
Example 3: how to add an object to a list of objects in java
import java.util.ArrayList;
ArrayList<typeOfList> list = new ArrayList<typeOfList>();
ArrayList<String> list = new ArrayList<String>();
Example 4: java 8 retrieve all list from object into single list and ignore duplicates
public void
givenListContainsDuplicates_whenRemovingDuplicatesWithJava8_thenCorrect() {
List<Integer> listWithDuplicates = Lists.newArrayList(1, 1, 2, 2, 3, 3);
List<Integer> listWithoutDuplicates = listWithDuplicates.stream()
.distinct()
.collect(Collectors.toList());
}