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언어 JAVA1 - 나의 앱 만들기 2

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작성자 관리자 댓글 0건 조회 5,972회 작성일 20-06-02 10:08

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나의 앱 만들기 2

수업소개

배우지 않은 개념을 이용해서 나의 앱을 만들어봅시다. 앞으로 여러분이 공부해볼만한 주제들을 소개하는 시간이기도 합니다. 다 보려고 하지 마시고, 흥미 있는 부분까지만 보시면 됩니다. 

 

 

 

강의 5

 

 

 

강의 6

소스코드

변경사항

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public class AccountingIFApp {
public static void main(String[] args) {
double valueOfSupply = Double.parseDouble(args[0]);
double vatRate = 0.1;
double expenseRate = 0.3;
double vat = valueOfSupply * vatRate;
double total = valueOfSupply + vat;
double expense = valueOfSupply * expenseRate;
double income = valueOfSupply - expense;
double dividend1;
double dividend2;
double dividend3;
if(income > 10000.0) {
dividend1 = income * 0.5;
dividend2 = income * 0.3;
dividend3 = income * 0.2;
} else {
dividend1 = income * 1.0;
dividend2 = income * 0;
dividend3 = income * 0;
}
System.out.println("Value of supply : " + valueOfSupply);
System.out.println("VAT : " + vat);
System.out.println("Total : " + total);
System.out.println("Expense : " + expense);
System.out.println("Income : " + income);
System.out.println("Dividend 1 : " + dividend1);
System.out.println("Dividend 2 : " + dividend2);
System.out.println("Dividend 3 : " + dividend3);
}
}

 

 

 

강의 7

소스코드

변경사항

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public class AccountingArrayApp {
public static void main(String[] args) {
double valueOfSupply = Double.parseDouble(args[0]);
double vatRate = 0.1;
double expenseRate = 0.3;
double vat = valueOfSupply * vatRate;
double total = valueOfSupply + vat;
double expense = valueOfSupply * expenseRate;
double income = valueOfSupply - expense;
double[] dividendRates = new double[3];
dividendRates[0] = 0.5;
dividendRates[1] = 0.3;
dividendRates[2] = 0.2;
double dividend1 = income * dividendRates[0];
double dividend2 = income * dividendRates[1];
double dividend3 = income * dividendRates[2];
System.out.println("Value of supply : " + valueOfSupply);
System.out.println("VAT : " + vat);
System.out.println("Total : " + total);
System.out.println("Expense : " + expense);
System.out.println("Income : " + income);
System.out.println("Dividend 1 : " + dividend1);
System.out.println("Dividend 2 : " + dividend2);
System.out.println("Dividend 3 : " + dividend3);
}
}

 

 

 

강의 8

소스코드

변경사항

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public class AccountingArrayLoopApp {
public static void main(String[] args) {
double valueOfSupply = Double.parseDouble(args[0]);
double vatRate = 0.1;
double expenseRate = 0.3;
double vat = valueOfSupply * vatRate;
double total = valueOfSupply + vat;
double expense = valueOfSupply * expenseRate;
double income = valueOfSupply - expense;
System.out.println("Value of supply : " + valueOfSupply);
System.out.println("VAT : " + vat);
System.out.println("Total : " + total);
System.out.println("Expense : " + expense);
System.out.println("Income : " + income);
double[] dividendRates = new double[3];
dividendRates[0] = 0.5;
dividendRates[1] = 0.3;
dividendRates[2] = 0.2;
int i = 0;
while(i < dividendRates.length) {
System.out.println("Dividend : " + (income*dividendRates[i]) );
i = i + 1;
}
}
}

 

 

 

강의 9

소스코드

변경사항

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public class AccountingMethodApp {
public static double valueOfSupply;
public static double vatRate;
public static double expenseRate;
public static void main(String[] args) {
valueOfSupply = 10000.0;
vatRate = 0.1;
expenseRate = 0.3;
print();
}
public static void print() {
System.out.println("Value of supply : " + valueOfSupply);
System.out.println("VAT : " + getVAT());
System.out.println("Total : " + getTotal());
System.out.println("Expense : " + getExpense());
System.out.println("Income : " + getIncome());
System.out.println("Dividend 1 : " + getDiviend1());
System.out.println("Dividend 2 : " + getDiviend2());
System.out.println("Dividend 3 : " + getDiviend3());
}
public static double getDiviend1() {
return getIncome() * 0.5;
}
public static double getDiviend2() {
return getIncome() * 0.3;
}
public static double getDiviend3() {
return getIncome() * 0.2;
}
public static double getIncome() {
return valueOfSupply - getExpense();
}
public static double getExpense() {
return valueOfSupply * expenseRate;
}
public static double getTotal() {
return valueOfSupply + getVAT();
}
public static double getVAT() {
return valueOfSupply * vatRate;
}
}

 

 

강의 10

소스코드

변경사항

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class Accounting{
public static double valueOfSupply;
public static double vatRate;
public static double expenseRate;
public static void print() {
System.out.println("Value of supply : " + valueOfSupply);
System.out.println("VAT : " + getVAT());
System.out.println("Total : " + getTotal());
System.out.println("Expense : " + getExpense());
System.out.println("Income : " + getIncome());
System.out.println("Dividend 1 : " + getDiviend1());
System.out.println("Dividend 2 : " + getDiviend2());
System.out.println("Dividend 3 : " + getDiviend3());
}
public static double getDiviend1() {
return getIncome() * 0.5;
}
public static double getDiviend2() {
return getIncome() * 0.3;
}
public static double getDiviend3() {
return getIncome() * 0.2;
}
public static double getIncome() {
return valueOfSupply - getExpense();
}
public static double getExpense() {
return valueOfSupply * expenseRate;
}
public static double getTotal() {
return valueOfSupply + getVAT();
}
public static double getVAT() {
return valueOfSupply * vatRate;
}
}
public class AccountingClassApp {
public static void main(String[] args) {
Accounting.valueOfSupply = 10000.0;
Accounting.vatRate = 0.1;
Accounting.expenseRate = 0.3;
Accounting.print();
// anotherVariable = ...;
// anotherMethod = ...;
}
}

 

 

 

 

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