We have System.exit() method in java which is responsible for exiting the running program by terminating the JVM (Java Virtual Machine). In this blog, we will be learning about this exit method in a more detailed way along with suitable examples. The exit method is available in the java.lang.System Class. Whenever we face an abnormal …
Sorting means arranging the elements in a particular way i.e, it can either be in an increasing or decreasing order. In the case of strings if I want to sort all the elements in increasing order it means the lexicographically smallest element will come first. There are many popular sorting algorithms that can be used …
Abstraction is one of the main pillars of OOPS in Java. In simple words, abstraction can be used to hide unwanted data from the users and only important data is visible to the users. For Example, The outer structure of a bike is visible to people instead of seeing all components within the bike. Abstraction …
Hibernate is a framework used in Java to ease the development of applications to interact with databases. On the other hand, JDBC is an API to connect and execute queries with database in Java. In this blog, we will be talking about the main advantages of hibernate over JDBC. Let’s discuss each of them one …
Whenever any unexpected event like if required Index is more than the array size happens, it results in the stopping of the program. The name of this condition is an “Exception”. There are many types of exceptions occurred in java, and there is a certain hierarchy followed by java. We will be exploring this hierarchy …
There is a limit on the declaration of maximum array size in java. So whenever we face the OutOfMemoryError i.e, Requested array size exceeds VM limit it means that the program is trying to allocate a particular size to an array that is larger than the size supported by the virtual machine. Cause of Error …
Solve “Requested array size exceeds VM limit” Error in Java Read More »
We have decimal values in java, but sometimes there is a need to round them. It is important to remember which function should be used according to the requirements. So In this blog, I will be sharing some ways to round off decimal values in java. Checking whether java rounds the value up or down …
Rounding in Java – Math.Round, Math.Floor, Math.Ceil Read More »
Through this blog, I will be sharing how can we make a custom iterator in Java. Iterators can come in handy in many situations. An iterator is basically an object which can help us to go over a collection, it can serve as an alternative to foreach loop. So let’s explore more about custom iterators …