votuanthanh Administrator
Tổng số bài gửi : 251 Points : 50586 Join date : 13/01/2011 Age : 34 Đến từ : TP HCM
| Tiêu đề: [Ví dụ] -- Học Sinh -- Điểm Trung Bình [set -- get] Sat Mar 05, 2011 9:45 pm | |
| Tạo 1 class tên Sinhvien copy code dưới vào - Code:
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public class Sinhvien { private float Mon1; private String TenSV; private float Mon2; private float Mon3; public float getMon2() { return Mon2; } public boolean setMon2(float m2) { if(m2>=0 && m2<=10) { Mon2=m2; return true; } else { return false; } } public float getMon3() { return Mon3; } public boolean setMon3(float m3) { if(m3>=0 && m3<=10) { Mon3=m3; return true; } else { return false; } } public float getMon1() { return Mon1; } public boolean setMon1(float m) { if(m>=0 && m<=10) { Mon1=m; return true; } else { return false; } } public String getTenSV() { return TenSV; } public boolean setTenSV(String Hoten) { if(Hoten.compareTo(" ")!=0) { TenSV = Hoten; return true; } else { return false; } } public Sinhvien() { } public Sinhvien(String TenSV, float Mon1,float Mon2,float Mon3)throws Exception { if(setTenSV(TenSV)==false) throw new Exception ("Ten ko hop le"); if(setMon1(Mon1)==false) throw new Exception("Diem mon 1 ko hop le"); if(setMon2(Mon2)==false) throw new Exception("Diem mon 2 ko hop le"); if(setMon3(Mon3)==false) throw new Exception("Diem mon 3 ko hop le"); } public float DiemTB() {float tb;
tb=(Mon1+Mon2+Mon3)/3; return tb; }
public String Xuat() { return "Ten Hoc Sinh: " + TenSV +"\n"+ "Diem Mon 1: " + Mon1 +"\n"+"Diem Mon 2: "+Mon2+"\n"+"Diem Mon 3: "+Mon3+"Diem Trung Binh :"+"\n"+DiemTB(); } } tạo tiếp 1 class tên Chuongtrinh copy code dưới vào - Code:
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public class Sinhvien { private float Mon1; private String TenSV; private float Mon2; private float Mon3; public float getMon2() { return Mon2; } public boolean setMon2(float m2) { if(m2>=0 && m2<=10) { Mon2=m2; return true; } else { return false; } } public float getMon3() { return Mon3; } public boolean setMon3(float m3) { if(m3>=0 && m3<=10) { Mon3=m3; return true; } else { return false; } } public float getMon1() { return Mon1; } public boolean setMon1(float m) { if(m>=0 && m<=10) { Mon1=m; return true; } else { return false; } } public String getTenSV() { return TenSV; } public boolean setTenSV(String Hoten) { if(Hoten.compareTo(" ")!=0) { TenSV = Hoten; return true; } else { return false; } } public Sinhvien() { } public Sinhvien(String TenSV, float Mon1,float Mon2,float Mon3)throws Exception { if(setTenSV(TenSV)==false) throw new Exception ("Ten ko hop le"); if(setMon1(Mon1)==false) throw new Exception("Diem mon 1 ko hop le"); if(setMon2(Mon2)==false) throw new Exception("Diem mon 2 ko hop le"); if(setMon3(Mon3)==false) throw new Exception("Diem mon 3 ko hop le"); } public float DiemTB() {float tb;
tb=(Mon1+Mon2+Mon3)/3; return tb; }
public String Xuat() { return "Ten Hoc Sinh: " + TenSV +"\n"+ "Diem Mon 1: " + Mon1 +"\n"+"Diem Mon 2: "+Mon2+"\n"+"Diem Mon 3: "+Mon3+"Diem Trung Binh :"+"\n"+DiemTB(); } } đây là file sẵn - Code:
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http://www.mediafire.com/?wwdghn1wtnzn7sd |
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