Declare Variables in Java: Explanation & Practice

Problem summary

You are setting up a user profile. Declare a String for name, an int for age, and a double for height. Print them all.

Starter code

public class Main {
    public static void main(String[] args) {
        // Declare variables here
        // String name = ...
        // int age = ...
        // double height = ...
        
        // Print the variables with labels:
        // Name: Alice
        // Age: 25
        // Height: 5.6
    }
}

Expected output and test cases

• Print name Alice, age 25, height 5.6

  Name: Alice
  Age: 25
  Height: 5.6

Hints

1. Use String for text, int for whole numbers, double for decimals
2. Declare variables using: Type variableName = value;
3. Use System.out.println() to print each variable with a label

Related Core Java Basics exercises

• Practice Swap Two Values in Java
• Practice Type Casting in Java
• Practice Arithmetic Operations in Java

Practice all Core Java Basics exercises · Run this idea in the Java compiler