como crear un array en java
int[] intArray = new int[]{ 1,2,3,4,5,6,7,8,9,10 };
// Declarando un array literalcomo crear un array en java
int[] intArray = new int[]{ 1,2,3,4,5,6,7,8,9,10 };
// Declarando un array literalarray in java
//method 1
int[] age = new int[3];
age[0] = 1;
age[1] = 3;
age[2] = 6;
for (int i=0; i < 3; i++)
System.out.println(age[i]);
//method 2
int[] num = {3,3,5};
//int num[] = {3,3,5}; also works the same
System.out.println(num[0]);java array
// ! IMPORTANTE !
// in JAVA an array is not the same as an ArrayList object!!
// 1 - declare, instanciate and populate
int arr[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
// 2 - declare and instanciate an int array with maxSize
// note: the index goes between 0 and maxSize-1
int newarr[] = new int[maxSize];
// 2.1 - insert the value n on the position pos
newarr[pos] = n;
// 2.2 - insert values recursively
for (i = 0; i < maxSize; i++) { newarr[i] = arr[i]; }array in java
Size is fixed
It supports both primitives and objects
Can be also multi-dimensionalarrays in java
For example: int[ ] num = new int[6];
public class AccessingArrayElements
{
public static void main(String[] args)
{
int[] arrNum = {25, 23, 15, 20, 24};
for(int a = 0; a < arrNum.length; a++)
{
System.out.println(arrNum[a]);
}
}
}Java Arrays
public class Test {
public static void main(String args[]) {
int [] numbers = {10, 20, 30, 40, 50};
for(int x : numbers ) {
System.out.print( x );
System.out.print(",");
}
System.out.print("\n");
String [] names = {"James", "Larry", "Tom", "Lacy"};
for( String name : names ) {
System.out.print( name );
System.out.print(",");
}
}
}Copyright © 2021 Codeinu
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