I dont understand what does java. util. mean - Stack Overflow import java util ArrayList; import java util LinkedList; By doing so it helps make you more familiar with each package member that you're using instead of blindly importing the whole package The most important reason is that by using the wildcard character(*) you have a greater chance of coming across name ambiguities which can lead to errors
Naming convention for utility classes in Java - Stack Overflow For example in an application related to bank accounts, all number specific utility static APIs would go to org mycompany util Numbers All "Account" specific business rule helping APIs would go to org mycompany account AccountHelper
java. util. scanner - How can I read input from the console using the . . . There are several ways to get input from the user Here in this program we will take the Scanner class to achieve the task This Scanner class comes under java util, hence the first line of the program is import java util Scanner; which allows the user to read values of various types in Java The import statement line should have to be in the