Belajar Java Sederhana dengan JCreator

1.      If Nilai:

import java.io.*;

class ifNilai {

public ifNilai() {

}

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

{

String nama;

int Nilai1, Nilai2;

InputStreamReader isr = new InputStreamReader(System.in);

BufferedReader br = new BufferedReader(isr);

System.out.print(“Masukan nama anda: “);

nama = br.readLine();

System.out.print(“Masukan Nilai1: “);

String Nil1 = br.readLine();

Nilai1 = Integer.parseInt(Nil1);

System.out.print(“Masukan Nilai2: “);

String Nil2 = br.readLine();

Nilai2 = Integer.parseInt(Nil2);

double nakhir = (Nilai1 + Nilai2)/2;

System.out.println(“Nilai Akhir: “+nakhir);

if (nakhir > 60)

{

System.out.println(“HASIL=LULUS”);

}

else

{

System.out.println(“HASIL=GAGAL”);

}

}

}

 Hasil Eksekusi:

2.      Latihan Abi Cara 1:

import java.io.*;

class ProgramInputCara1{

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

String panggilan;

String kelamin;

String nama;

Integer umur;

InputStreamReader isr = new InputStreamReader(System.in);

BufferedReader br = new BufferedReader(isr);

System.out.print(“Nama: “);

nama = br.readLine();

System.out.print(“umur: “);

umur = Integer.parseInt(br.readLine());

System.out.print(“kelamin: “);

kelamin = br.readLine();

if(umur<15){

panggilan=”Dik”;

}

else if(umur<30){

if(kelamin.equalsIgnoreCase(“p”)){

panggilan=”Mbak”;

}else{

panggilan=”Mas”;

}

}

else{

if(kelamin.equalsIgnoreCase(“p”)){

panggilan=”Ibu”;

}

else{

panggilan=”Bapak”;

}

}

System.out.println(“Assalamualaikum “+ panggilan+” “+ nama);

}

}

Hasil Eksekusi:

3.      Latihan Abi Cara2:

import java.util.Scanner;

public class BuatProgramInput

{

public static void main (String[]args)

{

Scanner Sa = new Scanner(System.in);

String Assalamualaikum;

String Panggilan;

System.out.print(“Nama           :”);String nama=Sa.nextLine();

System.out.print(“Umur           :”);Integer umur=Integer.parseInt(Sa.nextLine());

System.out.print(“Kelamin [P/L]          :”);String kelamin=Sa.nextLine();

if(umur<15){

Panggilan=”Dik”;

}

else if(umur<30){

if(kelamin.equalsIgnoreCase(“p”)){

Panggilan=”Mbak”;

}else{

Panggilan=”Mas”;

}

}

else{

if(kelamin.equalsIgnoreCase(“p”)){

Panggilan=”Ibu”;

}

else{

Panggilan=”Bapak”;

}

}

System.out.println(“———————–“);

System.out.println(“Assalamualaikum “+Panggilan+” “+nama);

}

} import java.util.Scanner;

public class BuatProgramInput

{

public static void main (String[]args)

{

Scanner Sa = new Scanner(System.in);

String Assalamualaikum;

String Panggilan;

System.out.print(“Nama           :”);String nama=Sa.nextLine();

System.out.print(“Umur           :”);Integer umur=Integer.parseInt(Sa.nextLine());

System.out.print(“Kelamin [P/L]          :”);String kelamin=Sa.nextLine();

if(umur<15){

Panggilan=”Dik”;

}

else if(umur<30){

if(kelamin.equalsIgnoreCase(“p”)){

Panggilan=”Mbak”;

}else{

Panggilan=”Mas”;

}

}

else{

if(kelamin.equalsIgnoreCase(“p”)){

Panggilan=”Ibu”;

}

else{

Panggilan=”Bapak”;

}

}

System.out.println(“———————–“);

System.out.println(“Assalamualaikum “+Panggilan+” “+nama);

}

}

Hasil Eksekusi:

4.      Matakuliah cara2:

import java.util.Scanner;

public class INPUT_05

{

public static void main (String[]args)

{

Scanner Sa = new Scanner(System.in);

System.out.print(“Nim                         :”); String nim=Sa.nextLine();

System.out.print(“Nama                                   :”); String na=Sa.nextLine();

System.out.print(“MataKuliah  :”); String mk=Sa.nextLine();

System.out.print(“Nilai                                    :”); int nilai=Sa.nextInt();

System.out.println(“—————“);

System.out.println(“Nim                      :”+nim);

System.out.println(“Nama                    :”+na);

System.out.println(“MataKuliah                       :”+mk);

System.out.println(“Nilai                     :”+nilai);

}

}

Hasil Eksekusi:

5.      Arry Nilai Matakuliah:

import java.text.NumberFormat;

public class Array6

{

public static void main(String args[])

{

NumberFormat nf=NumberFormat.getInstance();

nf.setMaximumFractionDigits(3);

int nilai [][]=new int [2][3];

nilai [0][0]=85;

nilai [0][1]=81;

nilai [0][2]=78;

nilai [1][0]=65;

nilai [1][1]=73;

nilai [1][2]=71;

String MK[]={“RPL”, “PBO”};

double ratarataMK[]=new double[nilai.length];

double jumlah[]=new double[nilai.length];

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

{

for (int j=0; j<nilai[0].length; j++)

{

jumlah[i]=jumlah[i]+nilai[i][j];

}

ratarataMK[i]=jumlah[i]/ nilai[0].length;

}

System.out.println(“Nilai Mata Kuliah\n”);

System.out.println(“MK\tMinggu1\tMinggu2\tMinggu3\tRata-Rata”);

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

{

System.out.print(MK[i] + “\t”);

for (int j=0; j<nilai[0].length; j++)

{

System.out.print(nilai[i][j] + “\t”);

}

System.out.print(nf.format(ratarataMK[i])+”\n”);

}

}

}

Hasil Eksekusi:

6.      Buffere Reader

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.text.NumberFormat;

 

atau

import java.io.*;

import java.text.*;

 

public class Array6 {

 

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

NumberFormat nf = NumberFormat.getInstance();

nf.setMaximumFractionDigits(3);

 

int nilai[][] = new int[2][3];

 

BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));

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

for (int j = 0; j < nilai[0].length; j++) {

System.out.print(“nilai[“+i+”][“+j+”]\t:”);

nilai[i][j] = Integer.parseInt(buf.readLine());

}

}

/*

nilai[0][0] = 85;

nilai[0][1] = 81;

nilai[0][2] = 78;

nilai[1][0] = 65;

nilai[1][1] = 73;

nilai[1][2] = 71;

*/

String MK[] = {“RPL”, “PBO”};

double ratarataMK[] = new double[nilai.length];

double jumlah[] = new double[nilai.length];

 

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

for (int j = 0; j < nilai[0].length; j++) {

jumlah[i] = jumlah[i] + nilai[i][j];

}

ratarataMK[i] = jumlah[i] / nilai[0].length;

}

System.out.println(“Nilai Mata Kuliah\n”);

System.out.println(“MK\tMinggu1\tMinggu2\tMinggu3\tRata-Rata”);

 

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

System.out.print(MK[i] + “\t”);

for (int j = 0; j < nilai[0].length; j++) {

System.out.print(nilai[i][j] + “\t”);

}

System.out.print(nf.format(ratarataMK[i]) + “\n”);

}

}

}

Hasil Eksekusi:

 

 

 

 

 

2011

10/05

CATEGORY

Belajar Informatika

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