//Java Program to illustrate the use of declaration, instantiation

//and initialization of Java array in a single line

class Testarray1{

public static void main(String args[]){

int a[]={33,3,4,5}://declaration, instantiation and initialization

//printing array

for(int i=0;i

System.out.println(a[i]);

}}

//Java Program to demonstrate the case of

//ArrayIndexOutOfBoundsException in a Java Array.

public class TestArray Exception{

public static void main(String args[]){

int arr[)=(50,60,70,80};

for(int i=0;i<=arr.length;i++){

System.out.println(arr[i]);

}

}}

//Java Program to illustrate the use of multidimensional array

class Testarray3{

public static void main(String args[]){

//declaring and initializing 2D array

int arr[][]={{1,2,3},{2,4,5},(4,4,5}};

//printing 2D array

for(int i=0;i<3;i++){

for(int j=0;j<3;j++){

System.out.print(arr[i][j]+" ");

}

System.out.println();

}

}}

public class Main {

public static void main(String[] args) {

String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};

for (int i =0 ; i < cars.length; i++) {

System.out.println(cars[i]);

}

}

}

class Main {

public static void main(String[] args) {

// create an array

int[] age = {12, 4, 5, 2, 5};

// access each array elements

System.out.println("Accessing Elements of Array:"):

System.out.println("First Element: " + age[0]);

System.out.println("Second Element: "+ age[1]):

System.out.println("Third Element: "+ age[2]);

System.out.println("Fourth Element: "+ age[3]):

System.out.println("Fifth Element: "+ age[4]);

}

}

public class Main {

public static void main(String[] args) {

String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};

System.out.println(cars.length);

}

}

public class Main {

public static void main(String[] args) {

int[][] myNumbers = { {1, 2, 3, 4}, {5, 6, 7} };

for (int i = 0; i < myNumbers.length; ++i) {

for (int j = 0; j < myNumbers[i].length; ++j ) {

System.out.println(myNumbers[i][j]);

}

}

}

}

Example: Compute Sum and Average of Array Elements

class Main {

public static void main(String[] args) {

int[] numbers = {2, -9, 0. 5, 12, -25, 22, 9. 8, 12};

int sum = 0:

Double average:

// access all elements using for each loop

// add each element in sum

for (int number: numbers) {

sum += number:

}

// get the total number of elements

int arrayLength = numbers.length:

// calculate the average

// convert the average from int to double

average = ((double)sum / (double)arrayLength):

System.out.println("Sum = " + sum):

System.out.println("Average = " + average):

}

}

class Testarray{

public static void main(String args[]){

int a[]=new int[5];//declaration and instantiation

a[0]=10;//initiblization

a[1]=20;

a[2]=70;

a[3]=40;

a[4]=50;

//traversing array

for(int i=0;i

System.out.println(a[i]);

}}