รหัส 55011523
File name 1: pract7.java

File name 2: pract12.java

File name 3: pract6.java

File name 4: pract13.java

File name 5: pract8.java

File name 6: pract11.java

File name 7: salary1.java

File name 8: pract14.java

File name 9: pract10.java

File name 10: pract1.java

File name 11: pract9.java