index array java code example

Example 1: java array declaration

int[] array = new int[/*size*/];
// Works for double, char, etc.

Example 2: array 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]);

Example 3: arrays in java

int[] intArray = new int[20];
String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};

Example 4: java indexof array

java.util.Arrays.asList(theArray).indexOf(o)

Example 5: arrays in java

int[] arr;			// Declaration dataType can int, float etc.
arr = new int[N];	// Allocation N = 0 to 2,147,483,647.

Example 6: java initialize int array

int[] arr = new int[n];