a = 1
b = 2
d = c = b
e = 4 * a ^ 2 + 2 * b + c
f = 2 * ((a + b) * 3 - 4)

g = null
h = true
i = false

mat1 = [3, 4; 5, 6]
vet1 = ["c", "d"]
obj1 = {"e": "f", "g": 7}

j = []
j.push("Hello")
j.push("World")

system.println("a = " + a)
system.println("b = " + b)
system.println("c = " + c)
system.println("d = " + d)
system.println("e = " + e)
system.println("f = " + f)
system.println("g = " + g)
system.println("h = " + h)
system.println("i = " + i)
system.println("j = " + j)
j.pop()
system.println("j = " + j)
system.println("mat1 = " + mat1)
system.println("vet1 = " + vet1)
system.println("obj1 = " + core.toString(obj1))
system.showMessageDialog(core.toString(a))
system.println("mat1[1,1] = " + mat1[1,1])