copy array code example

Example 1: javascript copy an array

let arr =["a","b","c"];
// ES6 way
const copy = [...arr];

// older method
const copy = Array.from(arr);

Example 2: copy array javascript

const sheeps = ['Apple', 'Banana', 'Juice'];

// Old way
const cloneSheeps = sheeps.slice();

// ES6 way
const cloneSheepsES6 = [...sheeps];

Example 3: java copy array

// Shallow copy
int[] src = {1,2,3,4,5};
int[] dst = Arrays.copyOf(src, src.length);

// Deep copy
int[] dst2 = new int[src.length];
for(int i = 0; i < src.length; i++){
	dst2[i] = src[i];
}

Example 4: how to make a copy of an array java

int a[] = {1, 8, 3}; 
  
// Copy elements of a[] to b[] 
int b[] = a.clone();

Example 5: java copy array

int[] a = {1, 2, 3};      
int[] b = a.clone();

Example 6: java copy array

int[] a = {1,2,3,4,5};
int[] b = Arrays.copyOf(a, a.length);