Studi Kasus laporan Algoritma dan pemograman STMIK AKAKOM YOGYAKARTA

STUDI KASUS
PERTEMUAN 14

pratik 1

code :

import java.util.Scanner;

public class Praktik1 {

    public static void main(String arg[]){

        int max=0;

        int jum=0;

        double rata=0;

        Scanner x=new Scanner(System.in);

        int array[]=new int[10];

        for(int i=0;i<array.length;i++){

            System.out.print("masukan data ke-"+(i+1)+":");

            array[i]=x.nextInt();

            for(int j=0;j<array.length;j++){

                if(array[i]>max){

                    max=array[i];

                }

            }

            jum += array[i];

        }

        rata=jum/array.length;

        System.out.println("Bilangan terbesarnya adalah "+max);

        System.out.println("Rata-rata dari sepuluh bilangan tersebut adalah "+rata);

    }

}

output

pratik  2

code :

import java.util.Scanner;

public class Praktik2 {

    public static int sum(int a,int b){

        return a+b;

    }

    public static int min(int a,int b){

        return a-b;

    }

    public static int kali(int a,int b){

        return a*b;

    }

    public static double bagi(double a,double b){

        return a/b;

    }

    public static void main(String arg[]){

        int x,y;

        Scanner dix=new Scanner(System.in);

        System.out.print("masukan nilai pertama : ");

        x=dix.nextInt();

        System.out.print("masukan nilai kedua   : ");

        y=dix.nextInt();

        System.out.println("Sum        :"+sum(x,y));

        System.out.println("Difference :"+min(x,y));

        System.out.println("Product    :"+kali(x,y));

        System.out.println("Quontient  :"+bagi(x,y));

    }

}

output

pratik 3

code :

import java.util.Scanner;

public class Praktik3 {

     public static void main(String[] args) {

        int x = 0;

        Scanner in = new Scanner(System.in);

        System.out.print("masukan tinggi : ");

        try {

            x = in.nextInt();

        } catch (Exception e) {

        }

        x = x + 2;

        for (int a = 1; a < x; a += 2) {

            for (int b = 0; b < 4 - a / 2; b++) {

                System.out.print(" ");

            }

            for (int b = 0; b < a; b++) {

                System.out.print("*");

            }

            System.out.print("\n");

        }

        for (int a = x; a > 0; a -= 2) {

            for (int b = 0; b < 4 - a / 2; b++) {

                System.out.print(" ");

            }

            for (int b = 0; b < a; b++) {

                System.out.print("*");

            }

            System.out.print("\n");

        }

    }

}

output

import java.util.Scanner;

public class Praktik4 {

    public static void main(String[] args) {

        Scanner dix = new Scanner(System.in);

        System.out.print("Masukan nilai dari x : ");

        int x = dix.nextInt();

        System.out.print("Masukan nilai dari y : ");

        int y = dix.nextInt();

        while (y != 0) {

            int y1 = y;

            y = x % y;

            System.out.println("y = x%y = " + x + " % " + y1 + " = " + y);

            x = y1;

            System.out.println("x = " + x);

        }

    }

}

OUTPUT:

PRAKTIK 5

import java.io.*;

import java.util.Scanner;

public class Praktik5 {

    public static void main(String[] args) throws IOException {

        Scanner input = new Scanner(System.in);

        StringBuffer sb = new StringBuffer();

        System.out.print("masukan nama file : ");

        File d = new File(input.next());

        if (d.createNewFile() == true) {

            System.out.println("File telah dibuat");

            System.out.print("masukan isi File : ");

            BufferedWriter isi = new BufferedWriter(new FileWriter(d));

            String s = input.next();

            sb.append(s);

            isi.write((sb.reverse()).toString());

            sb.delete(0, sb.length());

            isi.close();

        } else {

            System.out.println("File sudah ada");

        }

        BufferedReader b = new BufferedReader(new FileReader(d));

        String s = b.readLine();

        sb.append(s);

        System.out.println("isi file dibalik: " + sb);

    }

}

OUTPUT: