Description: 5 students to design a registration interface. The input information includes the number ( 6 digits), name ( no more than 6 Chinese characters ), password (less than 6 characters, no more than 8 characters, and the need to enter 2, 2 input password must be identical ), professional ( from " Mathematics ", " computer " and "language " in the choice, we can input ), grades ( from " the first grade ", " the second grade ", " the third grade " and " the fourth grade " a choice, and can only choose one). Click the " register " button, check the input is correct, if the error will display the corresponding message, or pop up a message window, display all input registration information. Program file named Exe7_5.java. The program interface as shown below:
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java Exe7_4\Exe7_4.java
...........\Exe7_5.java
java Exe7_4