အမှားတွေ့ရင် ချက်ချင်းပြင်၊ အမှန်တွေ့ပေမဲ့ ရပ်မနေနဲ့၊ ကောင်းသထက်ကောင်းအောင် ဆက်ကြိုးစား
* Note - at any point in time, Andrew should not be able to spend more money than what he has saved so far. If Andrew enters a value larger than what he currently has in the bank, he should be asked to enter again.
VO2Max | |||
Sport | Age | Males | Females |
Basketball | 18-30 | 40-60 | 43-60 |
Bicycling | 18-26 | 62-74 | 47-57 |
Canoeing | 18-26 | 55-67 | 47-67 |
Gymnastics | 18-22 | 52-58 | 36-50 |
Swimming | 10-25 | 50-70 | 40-60 |
public class UsingMethod { public void versionA() {
double area1 = 3.142 * 3.0 * 3.0;
double area2 = 3.142 * 3.5 * 3.5;
double area3 = 3.142 * 4.0 * 4.0;
System.out.println("Area of circle 1 is " + area1);
System.out.println("Area of circle 2 is " + area2);
System.out.println("Area of circle 3 is " + area3);
}
public void versionB() {
double area1 = areaOfCirle(3.0);
double area2 = areaOfCirle(3.5);
double area3 = areaOfCirle(4.0);
System.out.println("Area of circle 1 is " + area1);
System.out.println("Area of circle 2 is " + area2);
System.out.println("Area of circle 3 is " + area3);
}
public void versionC() {
System.out.println("Area of circle 1 is " + areaOfCirle(3.0));
System.out.println("Area of circle 2 is " + areaOfCirle(3.5));
System.out.println("Area of circle 3 is " + areaOfCirle(4.0));
}
private double areaOfCirle(double radius) {
double area = 3.142 * radius * radius;
return area;
}
}
if (age >= 18 && age <= 22) { if (gender.equalsIgnoreCase("male")) { if (v02Max >= 52 && v02Max <= 58) { System.out.println("Your Age and VO2 are Ok!"); } else { System.out.println("VO2 is not within limit"); } } else if (gender.equalsIgnoreCase("female")) { if (v02Max >= 36 && v02Max <= 50) { System.out .println("Your Age and VO2 are Ok!"); } else { System.out .println("You are not qualified to play Game"); } } } else { System.out.println("You are Under Age!"); }
// Using Method (formulae)
private double calcV02Max(int restingHeartRate, int maxHeartRate) {
return 15.0 * maxHeartRate / restingHeartRate;
}
private double calcTrgHeartRate(int maxHeartRate) {
return 0.8 * maxHeartRate;
}
private int calcMaxHeartRate(int age) {
return 220 - age;
}
VO2Max = 15 * maximum Heart Rate / Resting Heart rateMaximun Heart Rate ကိုတော့ မသိဘူး ကိုယ့်ဟာကို Google လိုက်တယ်။ Formula က
Training heart rate = 80% of Maximum Heart rate
Maximum Heart Rate = 22--ageဘာတွေ မေးရမလဲလည်းသိပြီ၊ ဘာတွေ print out ရမယ် ဆိုတာလည်းသိပြီဆိုတော့ စရေးလို့ရပြီ။ ဘယ်က စရေးရမလဲ ဆိုတော့ class file အောက် ကိုသွားမယ်၊ နောက်ပြီးတော့
public class SportCalculator {
အောက်ကစရေးရမယ်. public void start() {
ကိုရေးရတယ်။ မရေးချင်ရင် Ctrl + Shift + Space ကိုသုံးလည်းရတယ်။ ပြီးရင် Enter ခေါက်လိုက်ရင် သူ့အလိုလို ရေးပေးလိမ့်မယ်။ ပြီးရင် name = Keyboard.readString("What is your name? -> ");
gender = Keyboard.readString("Male or Female? -> ");
age = Keyboard.readInt("What is your age? -> ");
rhr = Keyboard.readDouble("What is your resting heart rate? -> "); public void start() {
String name = "";
String gender = "";
int age = 0;
double rhr = 0.0;
int maxHeartRate = 220 - age;
double trainingHeartRate = (0.8 * maxHeartRate);
double vO2Max = (15 * maxHeartRate) / rhr;
System.out.println("The Athlete's details are following... ");
System.out.println("Name - " + name);
System.out.println("Gender - " + gender);
System.out.println("Age - " + age);
System.out.println("The VO2Max of " + name + " is " + vO2Max);
System.out.println("Your max heart rate is " + maxHeartRate);
System.out.println("Your Training heart rate is " + trainingHeartRate);
public class SportCalculatorMain {
public static void main(String[] args) {
SportCalculator app = new SportCalculator();
app.start();
System.out.println("Thank You Very Much");
}
}
Extract the folder eclipse in eclipse-java-helios-SR2-win32.zip to C:\. (You can also
install eclipse in D:\.)
နောက်ဆုံးအနေနဲ့ Window --> Preferences မှာfont ကို ရိုက်လိုက်ပါ၊ ပြီးရင် Colors and Fonts --> Java Editor Text Font --> Edit button / ပြီးရင် font ကို Consolas size ကို 9 လုပ်လိုက်ပါ။ 
public static void main(String[] args) {
System.out.println("My First Java Program");
}