PACKAGE DAN JAVA KELAS

PACKAGE DAN JAVA KELAS

A.INPUT

//file Manusia harus berada dalam folder makhlukhidup

package makhlukhidup;

public class Manusia {

                public String nama = "";

                public Manusia(String nama) {

                this.nama = nama;

                }

               

}

A.OUTPUT

ERROR

B.INPUT

//file Tumbuhan harus berada dalam folder makhlukhidup

package makhlukhidup;

public class Tumbuhan {

                public String nama = "";

                public Tumbuhan (String nama) {

                this.nama = nama;

                }

}

B.OUTPUT

ERROR

C.INPUT

//file Burung harus berada dalam folder makhlukhidup/hewan

package makhlukhidup.hewan;

public class Burung {

                public static final boolean bisaTerbang = true;

                public String nama = "";

                public Burung (String nama) {

                this.nama = nama;

                System.out.println("Nama burung : "+nama);

                }

}

C.OUTPUT

ERROR

D.INPUT

//file MainMakhlukHidup harus berada dalam folder Meet 6

public class MainMakhlukHidup {

                public static void main(String [] args) {

                makhlukhidup.Manusia m = new makhlukhidup.Manusia("Sayuti");

                System.out.println("nama : "+m.nama);

                makhlukhidup.Tumbuhan t = new makhlukhidup.Tumbuhan("Palem");

                System.out.println("nama : "+t.nama);

                System.out.println("Semua burung pasti bisa terbang?"+makhlukhidup.hewan.Burung.bisaTerbang);

                makhlukhidup.hewan.Burung b = new makhlukhidup.hewan.Burung("Beo");

}

}

D.OUTPUT

Nama : Sayuti

Nama : Palem

Semua burung pasti bisa terbang?true

Nama burung : Beo

E.INPUT

//file MainMakhlukHidup harus berada dalam folder Meet 6

import makhlukhidup.*;

import makhlukhidup.hewan.*;

public class MainMakhlukHidupPakeImport {

                public static void main(String [] args) {

                Manusia m = new makhlukhidup.Manusia("Sayuti");

                System.out.println("nama : "+m.nama);

                Tumbuhan t = new makhlukhidup.Tumbuhan("Palem");

                System.out.println("nama : "+t.nama);

                System.out.println("Semua burung pasti bisa terbang?"+Burung.bisaTerbang);

                Burung b = new Burung("Beo");

                }

}

E.OUTPUT

Nama : Sayuti

Nama : Palem

Semua burung pasti bisa terbang?true

Nama burung : Beo

F.INPUT

public class ContohString {

public static void main(String [] args) {

String Kalimat = "Selamat belajar JAVA";

System.out.println("toUpperCase : "+Kalimat.toUpperCase());

System.out.println("toLowerCase : "+Kalimat.toUpperCase());

System.out.println("Jumlah karakter : "+Kalimat.length());

System.out.println("Karakter index ke 0 : "+Kalimat.charAt(0));

System.out.println("Substring(16,20) : "+Kalimat.substring(16,20));

System.out.println("Karakter index ke 0 : "+Kalimat.trim());

}

}

F.OUTPUT

toUpperCase : SELAMAT BELAJAR JAVA

toLowerCase : selamat belajar java

Jumlah Karakter : 20

Karakter index ke 0 : S

SubString(16,20) : JAVA

Karakter index ke 0 : Selamat belajar JAVA

 

G.INPUT

public class OpMatematika {

public static void main(String [] args) {

System.out.println("E                    = " +Math.E);

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

System.out.println("Ln 20            = " +Math.log(20.0));     

System.out.println("ceil(-5.6)  = " +Math.ceil(-5.6));

System.out.println("floor(-5.6) = " +Math.floor(-5.6));

System.out.println("round(-5.6) = " +Math.round(-5.6));

System.out.println("sqrt(25)      = " +Math.sqrt(25));

System.out.println("pow(25,0.5) = " +Math.pow(25,0.5));

}

}

 

G,OUTPUT

E                              = 2.71828128459045

PI                            = 3.141592653589793

Ln 20                      = 2.995732273553991     

ceil(-5.6)              = -5.0

floor(-5.6)           = -6.0

sqrt(25)                                = 5.0

pow(25,0.5)        = 5.0

}