// DrJava saved history v2
int x = 10; 
x = x + 1;
x
x++;
x
// ++ is called the auto-increment operator
x--;
x
// -- is the auto-decrement operator
7++
x
++x
x
x++
x
int y = 0;
y++
y
++y
y
(++y)
(y++)
y
y = y + 4;
y += 4;
y *= 3;
y /= 3;
y
y /= 3;
y
y -= 3;
y
import javax.swing.JFrame;
JFrame window = new JFrame();
window.show()
window.setSize(300, 400)
// types of methods: procedures, functions, constructors
window.getX()
window.getY()
"X: "
import javax.swing.JFrame;
JFrame window = new JFrame();
window.getX()
"X: window.getX()"
"X: " window.getX()
"X: " + window.getX()
OurJFrame j1 = new OurJFrame();
j1.show()
j1.setTitleXY();
j1.setTitleXY();
j1 = new OurJFrame();
j1.show()
int a = 8;
a = 1;
j1 = 3;
JFrame newJFrame = new JFrame();
import javax.swing.JFrame;
JFrame newJFrame = new JFrame();
newJFrame.setTitleXY()
newJFrame = new OurJFrame();
newJFrame.setTitleXY()
// The first line of a method is called the "method header".
// Use "void" to indicate that it is a procedure.
BankAccount myAccount = new BankAccount();
myAccount.withdraw(7.30)
myAccount.balance
BankAccount myAccount = new BankAccount();
myAccount.getBalance()
myAccount.withdraw(7.30)
myAccount.getBalance()
BankAccount myAccount = new BankAccount();
myAccount.balance
myAccount.balance = 7.9;
myAccount.balance