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...