Answers for "how to add elements in an array"

how to add a new item in an array in javascript

let array = ["Chicago", "Los Angeles", "Calgary", "Seattle", ]
  // print the array 
console.log(array)
  //Adding a new item in an array without touching the actual array     
array.push('New Item') < variable_name > .push( < What you want to add > )
  //How many items does the array have?
console.log("This array has", array.length, "things in it")

javascript adding an array to an array

let chocholates = ['Mars', 'BarOne', 'Tex'];
let chips = ['Doritos', 'Lays', 'Simba'];
let sweets = ['JellyTots'];

let snacks = [];
snacks.concat(chocholates);
// snacks will now be ['Mars', 'BarOne', 'Tex']
// Similarly if we left the snacks array empty and used the following
snacks.concat(chocolates, chips, sweets);
//This would return the snacks array with all other arrays combined together
// ['Mars', 'BarOne', 'Tex', 'Doritos', 'Lays', 'Simba', 'JellyTots']

java add element to existing array

//original array
String[] rgb = new String[] {"red", "green"};
//new array with one more length
String[] rgb2 = new String[rgb.length + 1];
//copy the old in the new array
System.arraycopy(rgb, 0, rgb2, 0, rgb.length);
//add element to new array
rgb2[rgb.length] = "blue";
//optional: set old array to new array
rgb = rgb2;

how to add objects in array java

car redCar = new Car("Red");
car Garage [] = new Car [100];
Garage[0] = redCar;