Torin's CSA Java work

import java.util.*;
public class main 
{
    public static void main() {
        Scanner number = new Scanner(System.in);
        System.out.println("Enter a number: " + number);
    }
}
main.main();

Enter a number: java.util.Scanner[delimiters=\p{javaWhitespace}+][position=0][match valid=false][need input=false][source closed=false][skipped=false][group separator=\x{2c}][decimal separator=\x{2e}][positive prefix=][negative prefix=\Q-\E][positive suffix=][negative suffix=][NaN string=\QNaN\E][infinity string=\Q∞\E]

import java.util.*;
public class main 
{
    public static void main() {
        int age = 16;
        double height = 6.3;

        System.out.println("I am " + age + " years old and " + height + " feet tall.");
    }
}
main.main();

I am 16 years old and 6.3 feet tall.

import java.util.*;

public class Main {
    public static void calculate() {
        int intVar = 5;
        int doubleVar = 2;
        System.out.println("int var: " + intVar / doubleVar);
        System.out.println("double var: " + (double) intVar / doubleVar);
        System.out.println("false double var: " + (double) (intVar / doubleVar));
        double remainder = intVar % doubleVar;
        System.out.println("remainder var: " + remainder);
        System.out.println("remainder + int: " + ((intVar / doubleVar) + remainder));
        System.out.println("Combine actual variables (Not Addition): " + (intVar / doubleVar) + remainder);
        
        // system of equations
        double x = 5;
        double y = Math.pow(x, 2);
        System.out.println("Powers var: " + y);
        double root = Math.sqrt(y);
        System.out.println("Square Root: " + root);
        
        // while loops
        double v = 2.0;
        while(v < 65536)
        {
            v = Math.pow(v, 2);
            System.out.println("Inside while loop: " + v);
        }
        System.out.println("Outside While loop: " + v);

        // for loops
        int maxLoops = 4;
        double pVar = 2;
        double power = 3;
        for(int i = 0; i < maxLoops; i++)
        {
            System.out.println("Inside for loop: " + pVar);
            pVar = Math.pow(pVar, power);
        }
        System.out.println("Outside For loop: " + pVar);
    }
}
Main.calculate();

int var: 2
double var: 2.5
false double var: 2.0
remainder var: 1.0
remainder + int: 3.0
Combine actual variables (Not Addition): 21.0
Powers var: 25.0
Square Root: 5.0
Inside while loop: 4.0
Inside while loop: 16.0
Inside while loop: 256.0
Inside while loop: 65536.0
Outside While loop: 65536.0
Inside for loop: 2.0
Inside for loop: 8.0
Inside for loop: 512.0
Inside for loop: 1.34217728E8
Outside For loop: 2.4178516392292583E24