Category: Java

This post will discuss the reverse order comparator provided by Guava Ordering class in Java.

This post will discuss how to get an iterator over a primitive array in Java. The iterator should be able to iterate over the values in the specified array.

Strings and characters are used to store and manipulate text data in Java. In this post, we will explain what these two data types are, how they differ from each other, and when to use them in our code.

In this post, we will explore different ways to parse a string as a signed decimal integer in Java, using both built-in methods and external libraries.

This post will discuss how to get an iterator over an object array in Java. The iterator should be able to iterate over all values in the object array.

This post will discuss the difference between char and string in Java.

This post will discuss how to convert a list of strings to a string array in Java.

This post will discuss how to remove whitespaces from a string in Java.

This post will discuss how to overload and override the main method in Java.

This post will discuss how to convert list of Integer to list of string in Java.

This post will discuss how to read a string from standard input using Scanner and BufferedReader in Java. Since a single line of input may contain multiple values, split the line into string tokens.

Why does the main method have to be declared public and static in Java? What do these keywords mean and what are their implications? In this post, we will explain the reasons behind this syntax and how it affects the behavior of the main method.