How to Generate a Random String in Java?

The String in Java can be generated either by the user or the System. The Strings hold some values that are either provided by some assigned method or can be entered on a random basis. These random value-holding Strings can be alphabetic or alphanumeric according to...

How to Print HashMap in Java?

The “Map” is a collection type that stores the data in key-value pair format and the key assigned to each element value needs to be unique. The elements get added, deleted, accessed, or removed according to its assigned “Key”. The Map is created using “HashMap” and...

How to Use String toUpperCase() Method in Java?

Java is a case-sensitive language, for example, it considers “java” and “JAVA” as two different Strings. To perform operations like comparison among case-insensitive data, it is required to first convert them in the same case format such as uppercase. This conversion...

How to Sort a List Alphabetically in Python?

The list is one of the Python data structures with a mutable property. The list can absorb the data of any format and enclose them within the “square brackets [ ]”. The “mutable” property of the list allows the list to sort the data alphabetically in ascending or...

How to Sort a Dictionary by Value in Python?

The dictionary is one of the Python data structures with a mutable property. The dictionary consists of “keys” and “values” enclosed by curly braces “{ }”. “Mutable” means we can change or modify the dictionaries by sorting the dictionary by a key or value, converting...