PEMROGRAMAN JAVA MENGHITUNG NILAI FAKTORIAL

PROGRAM :

package tugasmatrix;
/**
 *
 * @author Serly
 */
import java.io.*;

public class faktorisasi {
    public static void main(String[] args)throws Exception{
     InputStreamReader key = new InputStreamReader(System.in);
     BufferedReader input = new BufferedReader(key);

String n;
int i,j,k=1;

System.out.print("Masukkan Nilai untuk di faktorialkan = ");
n=input.readLine();
j=Integer.parseInt(n);
System.out.print(j +" "+"!=");
for(i=j;i>=1;i--){
                System.out.print(i);
                if(i>1)
                     System.out.print("x");
                     k=k*i;
    }
System.out.print("\n");
System.out.println(j+ " " +"!="+" "+k);
    }
}


OUTPUT :

PEMROGRAMAN JAVA PERKALIAN MATRIKS

PROGRAM :

package tugasmatrix;
/**
 *
 * @author Serly
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class matrixx {
    static int[][] matrikA = new int[2][2];
    static int[][] matrikB = new int[2][3];
    static int[][] matrikHasil = new int[2][3];
    static int ukuran;
   
    public static void main(String[] args){
        System.out.println("Masukkan Ukuran Matriks Yang Anda Inginkan : ");
        ukuran = inputData();
        bacaMatrix();
        KalikanMatrix();
        tulisHasil();
    }

    private static int inputData() {
        BufferedReader bfr = new BufferedReader(new InputStreamReader(System.in));
        String angkaInput = null;
        try{
            angkaInput = bfr.readLine();
        }
        catch(IOException e){
            e.printStackTrace();
        }
        int Data=Integer.valueOf(angkaInput).intValue();
        return Data;
    }

    private static void bacaMatrix() {
        System.out.println("Masukkan Data Dari MatrikA :");
        for(int i=0; i<ukuran; i++){
            for(int j=0; j<ukuran; j++){
                System.out.println("Matrik["+(i+1)+"]["+(j+1)+"]");
                matrikA[i][j] = inputData();
            }
        }
        System.out.println("Masukkan Data Dari MatrikB :");
        for(int i=0; i<ukuran; i++){
            for(int j=0; j<ukuran; j++){
                System.out.println("Matrik["+(i+1)+"]["+(j+1)+"]");
                matrikB[i][j] = inputData();
            }
        }
    }

    private static void KalikanMatrix() {
        for(int i=0; i<ukuran; i++){
            for(int j=0; j<ukuran; j++){
                matrikHasil[i][j] = matrikA[i][j]*matrikB[i][j];
            }
        }
    }

    private static void tulisHasil() {
        System.out.println("\n\nMatrik Dari Hasil Perkalian");
        System.out.println("");
        for(int i=0; i<ukuran; i++){
            for(int j=0; j<ukuran; j++){
                System.out.print(matrikHasil[i][j]+"\t");
            }
            System.out.println("");
        }
    }

   
}

OUTPUT :