H071221028

src/H071221028/Pertemuan_1/No1.java

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+package H071221028.Pertemuan_1;
+
+import java.util.Scanner;
+
+public class No1 { // nama file classnya
+    public static void main(String[] args) {
+        String nim; // variable
+        Scanner keyboard = new Scanner(System.in);
+        System.out.print("Masukkan NIM: ");
+        nim = keyboard.next();
+        String inp = nim.substring(nim.length() - 3); // memasukkan index yang diminta, -3 untuk 3 angka terakkhir
+
+        int angka = Integer.parseInt(inp); // modifikasi tipedata
+
+        if (angka % 7 == 0) {
+            System.out.println("soal: no 7");
+        } else {
+            System.out.printf("soal : no %d\n", angka % 7); // %d untuk angka int
+        }
+
+        keyboard.close();
+    }
+
+}

src/H071221028/Pertemuan_1/No2.java

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+package H071221028.Pertemuan_1;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class No2 {
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+
+    try {
+      int n = scanner.nextInt();
+
+      int countDecimal = 0;
+      int countInteger = 0;
+
+      for (int i = 0; i < n; i++) {
+        float number = scanner.nextFloat();
+
+        if (number - (int)number > 0) {  // angka - angka, jika agka menyisakan angka dibelakang koma akan masuk ke bilangan desimal
+          countDecimal++;
+        } else {
+          countInteger++;
+        }
+      }
+
+      System.out.printf("%d Bilangan Bulat\n", countInteger);
+      System.out.printf("%d Bilangan Desimal\n", countDecimal);
+    } catch (InputMismatchException e) {
+      System.out.println("Please input a number!");
+      e.printStackTrace();
+    }
+
+    scanner.close();
+  }
+}
+
+
+// import java.util.Scanner;
+
+// public class Dua {
+//     public static void main(String[] args) {
+//         Scanner scanner = new Scanner(System.in);
+//         System.out.print("Masukkan jumlah bilangan: ");
+//         int n = scanner.nextInt();
+//         int decimals = 0;
+//         int integers = 0;
+
+//         for (int i = 0; i < n; i++) {
+//             System.out.print("Masukkan bilangan ke-" + (i+1) + ": ");
+//             double num = scanner.nextDouble();
+//             if (num == (int) num) {
+//                 integers++;
+//             } else {
+//                 decimals++;
+//             }
+//         }
+
+//         System.out.println("Jumlah bilangan decimal: " + decimals);
+//         System.out.println("Jumlah bilangan bulat: " + integers);
+//     }
+// }

src/H071221028/Pertemuan_1/No3.java

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+package H071221028.Pertemuan_1;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class No3 {
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+
+    try {
+      System.out.print("Name  : ");
+      String name = scanner.nextLine();
+
+      System.out.print("Umur  : ");
+      int age = scanner.nextInt();
+
+      scanner.nextLine(); // hapus \n yang masih tersisa di aliran input
+
+
+      System.out.print("Hobby : ");
+      String hobby = scanner.nextLine();
+
+      System.out.printf("Nama saya %s, %d tahun, hobby %s.\n", name, age, hobby); 
+
+    } catch (InputMismatchException e) {
+      System.out.println("Please input with proper data format!");
+
+    }
+
+    scanner.close();
+  }
+}

src/H071221028/Pertemuan_1/No4.java

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+package H071221028.Pertemuan_1;
+
+import java.util.Scanner;
+
+public class No4 {
+  public static String capitalizeFirstCharacter(String sentence) {
+    String words[] = sentence.split("\\s");
+
+    String returnSentence = "";
+
+    // for (int i = 0; i < words.length; i++) {
+    //   words[i] = words[i].substring(0, 1).toUpperCase() + words[i].substring(1).toLowerCase();
+
+    //   returnSentence += words[i];
+    //   if (i < words.length - 1) {
+    //     returnSentence += " ";
+    //   }
+    // } 
+    for (String word : words ){
+      word = word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
+
+      returnSentence += word;
+        returnSentence += " ";
+
+
+    }
+
+    return returnSentence;
+  }
+
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+
+    System.out.print("Masukkan Judul Film :\n> ");
+    String sentence = scanner.nextLine();
+
+    System.out.println(capitalizeFirstCharacter(sentence));
+
+    scanner.close();
+  }
+}

src/H071221028/Pertemuan_1/No5.java

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+package H071221028.Pertemuan_1;
+
+import java.util.Scanner;
+
+public class No5 {
+    public static void main(String[] args) {
+        Scanner inp = new Scanner(System.in);
+        String a = inp.next();
+        String hari = a.substring(0, 2);
+        System.out.print(Integer.parseInt(hari) + " ");    // parseint untuk mengubah dari string ke int
+        String bulan = a.substring(3,  5);
+        int month = Integer.parseInt(bulan);
+        String [] bul = {"januari", "Februari", "Maret", "April", "Mei", "Juni", "Juli", "Agustus", "September", "Oktober", "November", "Desember"}
+       ;
+       System.out.print(bul [month - 1] + " "); 
+
+
+        // if (month == 1) {
+        //     System.out.print(" Januari ");
+        // } 
+        // else if (month == 2) {
+        //     System.out.print(" Februari ");
+        // }
+        // else if (month == 3) {
+        //     System.out.print(" Maret ");
+        // }
+        // else if (month == 4) {
+        //     System.out.print(" April ");
+        // }
+        // else if (month == 5) {
+        //     System.out.print(" Mei ");
+        // }
+        // else if (month == 6) {
+        //     System.out.print(" Juni ");
+        // }
+        // else if (month == 7) {
+        //     System.out.print(" Juli ");
+        // }
+        // else if (month == 8) {
+        //     System.out.print(" Agustus  ");
+        // }
+        // else if (month == 9) {
+        //     System.out.print(" September ");
+        // }
+        // else if (month == 10) {
+        //     System.out.print(" Oktober ");
+        // }
+        // else if (month == 11) {
+        //     System.out.print(" November ");
+        // }
+        // else if (month == 12) {
+        //     System.out.print(" Desember ");
+
+        String tahun = a.substring(6, 8);
+        int year = Integer.parseInt (tahun);
+        if (year <= 23) {
+            System.out.print("20" + tahun);
+        } 
+        else {
+            System.out.print("19" + tahun);
+        }
+    }
+}

src/H071221028/Pertemuan_1/No6.java

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+package H071221028.Pertemuan_1;
+
+import java.util.Scanner;
+
+public class No6 {
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+
+    System.out.print("Input jari-jari: ");
+    double jariJari = scanner.nextDouble();
+
+    double area = (22.0 / 7.0) * jariJari * jariJari;
+
+    System.out.printf("Luas lingkaran: %.2f\n", area); // pakai %.2f untuk 2 angka dibelakang koma
+
+    scanner.close();
+  }
+}

src/H071221028/Pertemuan_1/No7.java

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+package H071221028.Pertemuan_1;
+
+import java.util.Scanner;
+
+public class No7 {
+    static String[] buah = {"Anggur", "Apel", "Belimbing", "Durian", "Rambutan", "Pisang", "Jeruk", "Semangka", "Nanas",
+"Salak", "manggis"};
+public static void main(String[] args) {
+    Scanner inp = new Scanner(System.in);
+    System.out.print("Key: ");
+    String inputBuah = inp.next();
+    int indexBuah = findIndex(inputBuah);
+    System.out.println(indexBuah);
+    inp.close();
+}
+static int findIndex(String text){
+    text = text.toLowerCase();
+    int result = -1;
+    for (int i = 0; i < buah.length; i++) {
+        String buah1 = buah[i];
+        buah1 = buah1.toLowerCase();
+    if (buah1.equals(text)){
+        result = i;
+        }
+    };
+    return result;
+}
+}

src/H071221028/Pertemuan_1/No8.java

@@ -0,0 +1,34 @@
+package H071221028.Pertemuan_1;
+
+import java.util.Scanner;
+
+public class No8 {
+    public static void main(String[] args) {
+        int[][] angka = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9, }, { 10, 11 }, { 12 }, { 13, 14, 15, 16 } }; // menyimpan
+                                                                                                            // array
+        System.out.println(angka[0][2]);
+        Scanner inp = new Scanner(System.in);
+
+        try {
+            System.out.print("Input angka yang ingin di cari : ");
+            int inputAngka = inp.nextInt();
+            boolean found = false;
+
+            for (int i = 0; i < angka.length; i++) {
+                for (int j = 0; j < angka[i].length; j++) {
+                    int angka1 = angka[i][j];
+                    if (angka1 == inputAngka) {
+                        System.out.println("Found" + inputAngka + " at [" + i + "][" + j + "]");
+                        break;
+                    }
+                }
+            }
+            if (!found) {
+                System.out.println("Bilangan" + " " + inputAngka + " " + "tidak ditemukan pada bilangan");
+            }
+        } catch (Exception e) {
+            System.out.println("Input harus berupa data integer (angka)");
+        }
+        inp.close();
+    }
+}

src/H071221028/Pertemuan_2/No1.java

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+// class Event {
+//     String namaEvent;
+//     String peserta;
+//     int jumlahPeserta;
+
+//     public String getnama(){
+//         return namaEvent;
+//     }
+
+//     public String getpeserta(){
+//         return peserta;
+//     }
+
+//     public int getjumlah(){
+//         return jumlahPeserta;
+//     }
+// }
+
+// public class No1 {
+//     public static void main(String[] args) {
+//         Event event = new Event();
+
+//         event.namaEvent = "Mathematic Event";
+//         event.peserta = "SD";
+//         event.jumlahPeserta = 560;
+
+//         System.out.println("Nama event: " + event.getnama() + ".");
+//         System.out.println("Jenjang Peserta: " + event.getpeserta()+ ".");
+//         System.out.println("Jumlah Peserta: " + event.getjumlah()+".");
+
+//     }
+
+// }
+// Parent class
+class Sepatu {
+    protected String brand = "Sport";
+    public void running() {
+       System.out.println("fastest");
+    }
+ }
+
+ // Child class
+ class Shoe extends Sepatu {
+    private String model = "Sport";
+    public static void main(String[] args) {
+       Shoe mynike = new Shoe();
+       mynike.brand = "Nike";
+       mynike.model = "Running";
+       System.out.println("Brand: " + mynike.brand + ", Model: " + mynike.model);
+       mynike.running();
+    }
+ }
+