默认为"*" int i = 9733; JPasswordField tpf = new JPasswordField(); tpf.setEchoChar((char) i);//(char)9733为实心五角星可以用下面得到i对应的符号: public class CharPrinter{ int n = 10000; public static void main(String[] args){ for(int i = 0; i < n; i++ ){ System.out.print(i + "的字符:" + ((char) i ) + " "); } }}
你可以调用它的setEchoChar的方法,使星号变成任何你喜欢的字符
int i = 9733;
JPasswordField tpf = new JPasswordField();
tpf.setEchoChar((char) i);//(char)9733为实心五角星可以用下面得到i对应的符号:
public class CharPrinter{
int n = 10000;
public static void main(String[] args){
for(int i = 0; i < n; i++ ){
System.out.print(i + "的字符:" + ((char) i ) + " ");
}
}}