Java – Binary Search

Binary Search: Another searching algorithm to search for an element in array. Binary search can apply only on sorted array In this searching process, we find the mid element and compare with element to be …

Java – Linear Search

Linear Search: Searching algorithm to check whether the element is present or not in the array. In linear search, index element always compare with the element to be searched. If element found, it returns the …

Java – Array as parameter

Passing array as a parameter to a method: We can address of array as a parameter to method. Using the address, we can process elements of that array. Passing array is nothing but passing memory …

Java – Array of Objects(Emps)

Storing Account type records into Array:

Java – Sum of Array elements

Find the Sum of array elements: Find the even numbers count and odd numbers count in array:

Java – for each loop

for-each loop: It is also called enhanced for loop. It is introduced in JDK 1.5 It is used to process array elements easily. For each loop iterate all elements of array without taking bounds(lower and …

Java – Reading Array

Using Scanner class: We can construct the array by reading the size of array using Scanner object Read elements are store into array:

Java – ArrayIndexOutOfBoundsException

ArrayIndexOutOfBoundsException occurs when we try to access array elements which are out of bounds. Often we try to access element beyond the size of the array. for example, if we have a size 10 arrays …

Java – Static array variable

User defined class represents object. Hence class type variable is also called pointer variable. The default value is null. We can declare array variables as static. Static variables automatically initializes with default values. The default …

Java – Access array elements

Access Array elements Array is automatically initializes with default values. Default values depend on type of array. We can process array elements using their index If the array is of type String, the default value …