Advantages and disadvantages of arrays in java

Disadvantages of array in java

• Arrays are Strongly Typed.
• Arrays does not have add or remove methods.
• We need to mention the size of the array. Fixed length.
• So there is a chance of memory wastage.
• To delete an element in an array we need to traverse through out the array so this will reduce performance.

Advantages of arrays:

• We can access any element randomly by using indexes provided by arrays.
• Primitive type to wrapper classes object conversion will not happen so it is fast.
• Array can store many number of elements at a time.

Java interview programs on arrays:

• Check below for some of the interesting java interview programs on arrays.

Five different ways to print arrays in java:

• Here is the all possible ways of printing arrays in java.
• 5 Different ways to print arrays in java

Creating array of objects in java:

• We can create array of objects in java.
• Check out  this interesting article about array of objects in java computer programming.
• Creating array of objects in java example program

Java program to find missing numbers in an array:

• We can find missing numbers in java array lets see the below example program.
• Java Program to find missing numbers in an array

Find second highest number in java arrays:

• Check this below post about how to find second highest number in an array.
• Find second highest number in an integer Array

Convert arrayList to array:

• Converting arraylist to array

Copy all elements of  hash set to Object array:

• Java program to Copy all elements of Java HashSet to an Object Array