[CODE]import java.io.Console;
/*
* TestConsole.java
*
* Created on 2007年3月28日, 上午10:22
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
/**
*
* @author hadeslee
*/
public class TestConsole {

/** Creates a new instance of TestConsole */
public TestConsole() {
}
public static void main(String[] args)throws Exception {
Console con=System.console();
System.out.println("请输入密码");
char[] pwd=con.readPassword();
System.out.println(new String(pwd));
}
}[/CODE]

JDK1.6新加的功能