私はJavaにかなり慣れていないので、3回出力するTryCatchコードをネストしました。私に理由を教えてくれる?コマンドラインから3intを取得し、検証して範囲内にあるかどうかを確認する必要があります。tryとcatchを使用しています。しかし、答えは3回印刷されます!
// Global Constants
final static int MIN_NUMBER = 1;
final static int MAX_PRIME = 10000;
final static int MAX_FACTORIAL = 12;
final static int MAX_LEAPYEAR = 4000;
// Global Variable
static int a, b, c;
public static void main(String[] args) {
// String[] myNumbers= new String [3];
// int x =Integer.parseInt(args[0]);
for (int i = 0; i < args.length; i++) {
// System.out.print(args[i]+" ");
validateInput(args[0], args[1], args[2]);
}
}
// Validate User Input
public static boolean validateInput(String value1, String value2, String value3) {
boolean isValid = false;
try {
try {
try {
a = Integer.parseInt(value1);
if (!withinRange(a, MIN_NUMBER, MAX_PRIME)) {
System.out.println(
"The entered value " + value1
+ " is out of range [1 TO 10000].");
}
isValid = true;
} catch (Exception ex) {
System.out.println(
"The entered value " + value1
+ " is not a valid integer. Please try again.");
}
b = Integer.parseInt(value2);
if (!withinRange(b, MIN_NUMBER, MAX_FACTORIAL)) {
System.out.println(
"The entered value " + value2
+ " is out of range [1 TO 12].");
}
isValid = true;
} catch (Exception ex) {
System.out.println(
"The entered value " + value2
+ " is not a valid integer. Please try again.");
}
c = Integer.parseInt(value3);
if (!withinRange(c, MIN_NUMBER, MAX_LEAPYEAR)) {
System.out.println(
"The entered value " + value3
+ " is out of range [1 TO 4000].");
}
isValid = true;
} catch (Exception ex) {
System.out.println(
"The entered value " + value3
+ " is not a valid integer. Please try again.");
}
return isValid;
}
// Check the value within the specified range
private static boolean withinRange(int value, int min, int max) {
boolean isInRange = true;
if (value < min || value > max) {
isInRange = false;
}
return isInRange;
}