?1?import?java.io.Console;
?2?
?3?public?class?PasswordColsole?{
?4?????/**
?5??????*?@param?args
?6??????*/
?7?????public?static?void?main(String[]?args)?{
?8?????????Console?console?=?System.console();
?9?????????if?(console?==?null)?{
10?????????????System.err.println("Console?not?available");
11?????????????return;
12?????????}
13?????????String?username?=?console.readLine("Enter?username:?");
14?????????String?password?=?new?String(console.readPassword("Enter?password:?"));
15?????????System.out.println("username="?+?username);
16?????????System.out.println("username="?+?password);
17?????}
18?}
運(yùn)行CMD,到class文件所在路徑,
運(yùn)行 java PasswordColsole
Enter username: 123
Enter password:
username=123
username=a
大家可以看到,造輸入密碼的時候密碼不會回顯.
posted on 2007-01-03 09:51
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