Java Console.readPassword()方法範例

Java Console.readPassword()方法範例

Console.readPassword()的語法如下所示。

public char[] readPassword()

範例

在下面的程式碼顯示如何使用Console.readPassword()方法。

import java.io.Console;
// By: w w ｗ.ＹIIｂ ａＩ  .Ｃ ｏｍ
public class Main {
  public static void main(String[] args) throws Exception {

    Console cnsl = System.console();

    if (cnsl != null) {

      String alpha = cnsl.readLine("Name: ");

      System.out.println("Name is: " + alpha);

      char[] pwd = cnsl.readPassword("Password: ");

      System.out.println("Password is: " + pwd);
    }
  }
}

上面的程式碼生成以下結果。

F:\website\yiibai\worksp\src>javac Main.java

F:\website\yiibai\worksp\src>java Main
Name: yes
Name is: yes
Password:
Password is: [C@7d4991ad