class in java
public class Lightsaber {
// properties
private boolean isOn;
private Color color;
// constructor
public Lightsaber(Color color) {
this.isOn = false;
this.color = color;
}
// getters
public Color getColor() {
return color;
}
public boolean getOnStatus() {
return isOn;
}
// setters
public void turnOn() {
isOn = true;
}
public void turnOff() {
isOn = false;
}
}
// Implementation in main method:
public class test {
public static void main(String[] args) {
Lightsaber yoda = new Lightsaber(green);
yoda.turnOn();
}
}
3.75
8
Class is a blueprint or template which
you can create as many objects as you
like. Object is a member or instance
of a class.
Class is declared using class keyword,
Object is created through
new keyword mainly. A class is a template
for objects. A class defines
object properties including a valid range
of values, and a default value.
A class also describes object behavior.
Thank you!
8
0
5
1
// this might help you understand how classes work
public class MathTest {
public static void main(String[] args) {
class MathAdd {
int num1;
int num2;
public int addNumbers() {
int addThemUp = num1 + num2;
return addThemUp;
}
}
MathAdd addition = new MathAdd(); // create a new instance of the class
// you can access variables from the class
addition.num1 = 10;
addition.num2 = 20;
// and use the method from the class to add them up
System.out.println(addition.addNumbers());
}
}
Thank you!
1
0
3.33
3
abstract class Pesan {
public void success() {
System.out.println("Mobil Berhasil Dibeli");
}
public void error() {
System.out.println("Uang Anda Tidak Cukup");
}
}
class Car extends Pesan {
protected String nama = "toyota supra";
protected String warna = "merah";
protected int harga = 2000000000;
protected String brand = "toyota";
}
class ShowRoom extends Car {
protected String namaShowroom = "Catur Sentosa Raya";
protected String alamatShowroom = "Jl.siliwangin kec pancoranmas kota depok 16436";
}
class Pembeli extends ShowRoom {
protected String namaPembeli = "anto jayabaya";
protected String alamatPembeli = "jl.swadaya rt.01/rw.04 no.112 kec pancoranmas kota depok";
protected int saldoPembeli = 50000000;
}
class BeliMobil extends Pembeli {
public BeliMobil(String nama, String warna, int harga, String brand, String nsr, String asr, String np, String ap, int sdp) {
super();
super.nama = nama;
super.warna = warna;
super.harga = harga;
super.brand = brand;
super.namaShowroom = nsr;
super.alamatShowroom = asr;
super.namaPembeli = np;
super.alamatPembeli = ap;
super.saldoPembeli = sdp;
}
void getResult(String nama, String warna, int harga, String brand, String np, String ap) {
if(super.harga > super.saldoPembeli) {
System.out.println("=======================");
super.error();
System.out.println("=======================");
} else {
System.out.println("=======================");
super.success();
System.out.println("=======================");
System.out.println("");
System.out.println("=======================");
System.out.println("Jenis Mobil");
System.out.println("=======================");
System.out.println("");
System.out.println("Nama Mobil:" + nama);
System.out.println("Warna Mobil:" + warna);
System.out.println("Harga Mobil:" + harga);
System.out.println("Brand Mobil:" + brand);
System.out.println("");
System.out.println("=======================");
System.out.println("Nama Pembeli Mobil");
System.out.println("=======================");
System.out.println("Nama Pembeli:" + np);
System.out.println("Nama Pembeli:" + ap);
}
}
public static void main(String[] args) {
BeliMobil beli = new BeliMobil("avanza", "hitam", 128000000, "toyota", "Jaya Mobil", "Jakarta", "Anton", "Depok", 228000000);
beli.getResult(beli.nama, beli.warna, beli.harga, beli.brand, beli.namaPembeli, beli.alamatPembeli);
}
}
Thank you!
3
0
4.33
6
public class Main {
public static void main (String[] args) {
System.out.println("Hello World");
}
}
Thank you!
6
0
4.25
4
// Public creates avaliability to all classes/files
public class Object {
// Instance of a variable per each class created
public int a = 1;
// Private restricts in local space (within these brackets)
private int b = 5;
// Defaults as public
int c = 0;
// Method Examples
void setB(int B)
{
b = B;
// No return b/c 'void'
}
int getA()
{
return b;
// Return b/c 'int' in front of method
}
}
Thank you!
4
0
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