1-Xây dung Class Canbo gồm các thuộc tính:MaCB,Hoten,GTinh,QQuan,Tuoi,Luong
2-Yêu cầu :
-Nhập dữ lieu từ bàn phím
-Hiển thị DSCB vừa nhập
-In ra DSCB có QQuán là Hà Nội
-Sắp xếp DSCB giảm giần theo Luong
-In ra thong tin về CB có lương thấp nhất
-Đếm CB có tuổi <30
Code:
package de3;
//Code Design by Tạ Văn Anh
import java.util.Scanner;
public class CanBo {
String MaCB,Hoten,Qquan, gioitinh;
int n,tuoi;
int luong;
public String imput(){
String x="";
try
{
Scanner nhap= new Scanner(System.in);
x=nhap.nextLine();
}
catch( Exception e){System.out.print("Loi do:\n"+e.getMessage());}
return x;
}
public void view(){
try{
System.out.println("MaCB: "+MaCB+" |Ho TenCB "+Hoten+" |Que Quan: "+Qquan+" |Gioi Tinh: "+gioitinh+" |Tuoi: "+tuoi+" |Luong: "+luong+"");
}catch(Exception e) {System.out.print("Loi do: "+e.getMessage());
}
}
public void nhapdanhsach(){
try{
System.out.print("Ma Can Bo:");
MaCB=imput();
System.out.print("Ho ten Can Bo:");
Hoten=imput();
System.out.print("Que Quan Can Bo:");
Qquan=imput();
System.out.print("Gioi tinh can bo:");
gioitinh=imput();
System.out.print("Tuoi:");
tuoi= Integer.parseInt(imput());
System.out.print("Luong:");
luong= Integer.parseInt(imput());
}
catch(Exception e){System.out.print("Loi do:\n"+e.getMessage());}
}
public CanBo[] CB = new CanBo[100];
public void danhsachcanbo() {
try{
System.out.print("\n Nhap vao so luong can bo:");
n= Integer.parseInt(imput());
for(int i=0;i<n;i++){
CB[i]=new CanBo();
System.out.println("\n Nhap thong tin cho can bo thu:"+" "+(i+1)+" ");
CB[i].nhapdanhsach();
}
}
catch(Exception e){System.out.print("Loi do:\n"+e.getMessage());}
}
public void hienthiDSCB(){
try {
System.out.print(" DANH SACH CAN BO LA:\n");
for(int i=0;i<n;i++){
CB[i].view();
}
}
catch(Exception e ){System.out.print("Loi do:"+e.getMessage());}
}
public void DSCBtheoqqHN(){
try{
for( int i=0;i<n;i++){
if(CB[i].Qquan.trim().equalsIgnoreCase("Ha Noi")){
CB[i].view();
}
}
}catch(Exception e){System.out.print("Loi do:"+e.getMessage());
}
}
public void sapxepCBtheoluong(){
try {
CanBo tg= new CanBo();
for(int i=0;i<n-1;i++)
{
for(int j=i+1;j<n;j++)
{
if(CB[i].luong <= CB[j].luong) //giam dan
{
tg=CB[i];
CB[i]=CB[j];
CB[j]=tg;
}
System.out.println("DANH SACH SAP XEP GiAM DAN THEO LUONG LA:\n");
hienthiDSCB();
}
}
}catch(Exception e){System.out.print("Loi do:"+e.getMessage());
}
}
public void CBLUONGMIN(){
try{
int min=0;
for( int i=0;i<n;i++){
if(CB[min].luong > CB[i].luong){
min=i;
}
}
System.out.print(" Thong tin can bo co luong thap nhat la: ");
CB[min].view();
}catch( Exception e){System.out.print("Loi do"+e.getMessage());
}
}
public void demCBTuoi30(){
try{
int dem=0;
for( int i=0;i<n;i++){
if(CB[i].tuoi < 30){
dem+=1;
}
}
System.out.print(" So luong can bo co tuoi < 30 la:"+dem);
} catch( Exception e){System.out.print("Loi do:\n"+e.getMessage());
}
}
public static void main(String[] args) {
try{
CanBo CB = new CanBo();
while(true)
{
System.out.println("\n\t+-------------- Code Design by Tạ Văn Anh---------------- ");
System.out.print(" \n Nhap danh sach sach,Chon: 1");
System.out.print(" \n In ra DSCB có QQuan là “Hà Nội”,Chon : 2");
System.out.print(" \n Danh sach Can Bo giam dan theo luong, Chon: 3");
System.out.print(" \n Dua ra thong tin về CB co luong thap nhat,Chon: 4");
System.out.print(" \n Dem so luong can bo co tuoi <30 ,Chon: 5");
System.out.print(" \n Thoat,Chon: 6");
System.out.print("\n Vui Long chon:1,2,3,4,5 or 6: ");
Scanner nhapvao = new Scanner(System.in);
int chucnang=nhapvao.nextInt();
switch(chucnang)
{
case 1:
CB.danhsachcanbo();
break;
case 2:
CB.DSCBtheoqqHN();
break;
case 3:
CB.sapxepCBtheoluong();
break;
case 4:
CB.CBLUONGMIN();
break;
case 5:
CB.demCBTuoi30();
break;
case 6:
System.exit(0);
break;
}
}
}catch( Exception e){System.out.print("Loi do"+ e.getMessage());
}
}
}
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