Code
package package1;
import javax.swing.JOptionPane;
public class Class1
{
public static void main(String[] args)
{
System.out.println("Exercise P1.1:");
System.out.println("+------+");
System.out.println("| Evan |"); // Name in Box
System.out.println("+------+");
System.out.println("");
System.out.println("Exercise P1.2:");
System.out.println(" ///// ");
System.out.println(" | o o |");
System.out.println("(| ^ |)"); // :)
System.out.println(" | [_] |");
System.out.println(" ----- ");
System.out.println("Exercise P1.3:");
System.out.println("+---+---+---+");
System.out.println("| | | |");
System.out.println("+---+---+---+");
System.out.println("| | | |"); // boxes
System.out.println("+---+---+---+");
System.out.println("| | | |");
System.out.println("+---+---+---+");
System.out.println("Exercise P1.4:");
System.out.println(" +---+");
System.out.println(" | |");
System.out.println(" +---+---+");
System.out.println(" | | |");
System.out.println(" +---+---+---+");
System.out.println(" | | | |"); // stairs
System.out.println("+---+---+---+---+");
System.out.println("| | | | |");
System.out.println("+---+---+---+---+");
System.out.println("Exercise P1.5:");
System.out.println(1+2+3+4+5+6+7+8+9+10); // Sum of first positive 10 integers
System.out.println("Exercise P1.6");
System.out.println(1+1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10); // We'll explore these phenomenons in chapter 4
System.out.println(1.0+2.0+3.0+4.0+5.0+6.0+7.0+8.0+9.0+10.0); // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// Comment either P1.7 off or P1.8, depending which one you want to use.
System.out.println("Exercise P1.7");
JOptionPane.showMessageDialog(null, "Hello World");
System.exit(0);
System.out.println("Exercise P1.8");
String name = JOptionPane.showInputDialog("What is your name?");
System.out.println("Hello, " + name);
System.exit(0);
}
}
Code
package package1;
import javax.swing.JOptionPane;
public class Calculator
{
public static void main(String[] args)
{
String numberOne = JOptionPane.showInputDialog("What is the first number you want to add?");
String numberTwo = JOptionPane.showInputDialog("What is the second number you want to add?");
int x = Integer.parseInt(numberOne);
int y = Integer.parseInt(numberTwo);
int answer = x + y;
System.out.println(x + " + " + y + " = " + answer);
JOptionPane.showMessageDialog(null, x + " + " + y + " = " + answer);
}
}