Solve for Z

/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Example
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int x, y, z; // Assign "int" type too three variables "x, y, z".

		x = 100; // Assign value 100 to x.
		y = 210; // Assign value 210 to y.
		z = 0; // Assign value 0 to z.

		System.out.println("Solve for z when z = 0, x = 100, y = 210");

		x = y / 2; // Assign: Divide y where y is 210 by 2 where x is now 105.
		z = x + y; // Assign: Add x where x is 205 to y 105 where z is 305.

		System.out.print("The value of z where y/2 + x is " + z);
	}
}