In javaScript, explain why programmers use the terms “variable” and “object” interchangeably?

JAVA programming language

Java Programming

How to count the number of digits in a number in java?

Create a JAVA user interface for a calculator that performs only multiplication and division. It should contain ON, OFF, and clear buttons.

Using Java..

In Java, code a program that rolls a dice 100,000 times and prints out the result of how many 3, 4, 5's were rolled.

Java I want to build a program based on how the user is feeling as if I were to meet them in person. Ask for name. Hey, name. Nice to meet you." Name, How are you feeling?" "So, your feeling [emotion]?" "Well, name let's get rid of your [emotion]...(I give instructions)." Then "Goodbye." Then ask are they feeling one of 8 emotions. Then output would prompt instructions on how to release that emotion. The 8 basic emotions are joy-sadness, anger-fear, trust-distrust, surprise-anticipation

In a Java application, we know that we must have a Main method to run the program.  What tells the Main method to run and what would happen if you did not include the Main method in your Java application?