java List methods code example
Example 1: java list
import java.util.*;
var list = new ArrayList<String>();
list.add("Hello World!");
Example 2: list in java
LIST: Can store duplicate values,
Keeps the insertion order.
It allows multiple null values,
Also we can read a certain value by index.
- ArrayList not syncronized, array based class
- LinkedList not synchronized, doubly linked
- Vector is synchronized, thread safe
Example 3: methods in java
A method in java is a group of statements to carry out some operation also
known as functions.
Example 4: java methods
public class MyClass {
static int myMethod(int x) {
return 5 + x;
}
public static void main(String[] args) {
System.out.println(myMethod(3));
}
}