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我正在從Java doc學習Java,我想實現這些示例,但我遇到了一些問題。任何人都可以描述我這個問題,並告訴我如何從控制檯使用eclipse IDE獲取值。無法在java中使用eclipse從控制檯讀取值
每當我執行這個例子時,輸出都是No Console。
代碼到目前爲止,我已經建立:
public class Password {
public static void main(String[] args) throws IOException {
Console c = System.console();
if (c == null) {
System.err.println("No console");
System.exit(1);
}
String login = c.readLine("Entyer your login password");
char[] oldPassword = c.readPassword("Enter your old password");
if (verify(login, oldPassword)) {
boolean noMatch;
do {
char[] newPassword1 = c.readPassword("Enter your new password");
char[] newPassword2 = c.readPassword("Enter new password again");
noMatch = !Arrays.equals(newPassword1, newPassword2);
if (noMatch) {
c.format("Password not mathc. Try again.%n");
} else {
change(login, newPassword1);
c.format("Password for %s change.%n", login);
}
Arrays.fill(newPassword1, ' ');
Arrays.fill(newPassword2, ' ');
} while (noMatch);
}
Arrays.fill(oldPassword, ' ');
}
static void change(String login, char[] password) {
// TODO Auto-generated method stub
}
private static boolean verify(String login, char[] password) {
// TODO Auto-generated method stub
return true;
}
}
System.console()IS NULL – Karthigeyan
檢查此問題http://stackoverflow.com/questions/104254/java-io-console-support-in-eclipse-ide – Karthigeyan
好的,接下來我該做什麼? –