CLASS,METHOD,CONSTRUCTOR,MODIFIER DAN OBJECT

CLASS,METHOD,CONSTRUCTOR,MODIFIER DAN OBJECT

INPUT

public class Disket {

int panjang = 10;

final int LEBAR = 10;

String warna = "kuning";

String bentuk = "segiempat";

String data = " ";

void simpanData (String data1) {

this.data += data1;

}

void hapusData() {

data = " ";

}

String bacaData() {

return data;

}

}

OUTPUT

INPUT

class MainDisket {

pulic static void main (String[] args) {

Disket disk1 = new Disket();

System.out.println("Panjang disket = "+disk1.panjang);

System.out.println("Lebar disket = "+disk1.LEBAR);

System.out.println("Warna disket = "+disk1.warna);

System.out.println("Bentuk disket = "+disk1.bentuk);

System.out.println('data mula-mula = "+disk1.bacaData();

disk1.simpanData("Balajar java");

System.out.println("Setelah                       SimpanData

= "+disk1.bacaData());

disk1.hapusData();

System.out.println("Setelah hapusData = "+disk1.bacaData());

}

}

OUTPUT

Dasar-Dasar Java

Dasar-Dasar JAVA

✓ INPUT

class TesTipeData {

public static void main (String[] args) {

byte b = 1;

short s = 100;

int i = 1000;

long l = 10000;

char c = 'a';

float f = 3.14f;

double d = 3.14;

boolean t = true;

final double PI = 3.14;

System.out.println("byte" +b);

System.out.println("short" +s);

System.out.println("int" +i);

i = 010;

System.out.println("int " +i+ " octal mode");

i= 0XFF;

System.out.println("int " +i+ "hexa mode");

System.out.println("long " +l);

System.out.println("char " +c);

System.out.println("float " +f);

System.out.println("double "+d);

System.out.println("boolean "+t);

System.out.println("PI " +PI);

}

}

✓ OUTPUT

Byte1

Short100

int 8 octal mode

int 255hexa mode

long10000

char a

float 3.14

double 3.14

boolean true

PI 3.14

✓ INPUT

class TesKeputusan{

public static void main (String[] args) {

char jeniskelamin = 'W';

//nested if

if (jeniskelamin=='L')

System.out.println("Cowok");

else if (jeniskelamin== 'P')

System.out.println("Cewek");

else

System.out.println("Banci");

//ternary

System.out.println(jeniskelamin=='P'? "Dia pasti cowok" :

"Dia pasti cewek");

//switch case

switch (jeniskelamin) {

case 'P' : System.out.println("Cowok");

break;

case 'L' : System.out.println("Cewek");

break;

default :System.out.println("Banci ");

break;

}

}

}

✓ OUTPUT

Banci

Dia pasti cewek

Banci

✓ INPUT

public class TesPerulangan{

public static void main (String[] args) {

int i;

//for

System.out.println("Perulangan For...");

for (i=0; i<10; i++)

System.out.println("Perulangan ke : "+i);

//while

System.out.println("Perulangan While...");

i=0;

while (i<10) {

System.out.println("Perulangan ke : "+i);

i++;

}

//do while

System.out.println("Perulangan Do While...");

i=0;

do {

System.out.println("Perulangan ke : "+i);

i++;

}

while (i<10);

}

}

✓ OUTPUT

Perulangan For

Perulangan ke : 0

Perulangan ke : 1

Perulangan ke : 2

Perulangan ke : 3

Perulangan ke : 4

Perulangan ke : 5

Perulangan ke : 6

Perulangan ke : 7

Perulangan ke : 8

Perulangan ke : 9

Perulangan While

Perulangan ke : 0

Perulangan ke : 1

Perulangan ke : 2

Perulangan ke : 3

Perulangan ke : 4

Perulangan ke : 5

Perulangan ke : 6

Perulangan ke : 7

Perulangan ke : 8

Perulangan ke : 9

Perulangan Do While

Perulangan ke : 0

Perulangan ke : 1

Perulangan ke : 2

Perulangan ke : 3

Perulangan ke : 4

Perulangan ke : 5

Perulangan ke : 6

Perulangan ke : 7

Perulangan ke : 8

Perulangan ke : 9

Membuat Program HelloWorld.java

Membuat Program HelloWorld.java

MEMBUAT PROGRAM HelloWorld.java

✓INPUT

public class HelloWorld {

public static void main (String[] args) {

System.out.println(“Hello World from JAVA”);

}

}

✓OUTPUT

Hello World from JAVA

MEMBUAT PROGRAM DATA PRIBADI

✓INPUT

public class DATA {

public static void main (String[] args) {

System.out.println(“NIM :201801030076”);

System.out.println(“NAMA : RIMBA MARTUA NAPITU”);

System.out.println(“KELAS :18M02”);

}

}

✓OUTPUT

NIM :201801030076

NAMA : RIMBA MARTUA NAPITU

KELAS :18M02