java最全源代碼 java開發(fā)實例大全源碼

java求源代碼

你是青鳥的吧?這我寫過?有源碼?這里怎么上傳壓縮包啊

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package?ghhh;

import?java.util.Scanner;

public?class?DvD?{

public?static?void?main(String[]?args)?{

int?state[]=new??int[6];

String?name[]=new??String[6];

int?date[]=new?int[6];

int?count[]=new?int?[6];

name[0]="權(quán)利的游戲";

name[1]="命運之夜";

name[2]="傲慢與偏見";

state[0]=1;

state[1]=0;

state[2]=1;

date[0]=13;

date[1]=0;

date[2]=9;

count[0]=23;

count[1]=23;

count[2]=23;

int?n;

// boolean?n=false;

do{

System.out.println("歡迎使用迷你DVD管理器");

System.out.println("1.新增DVD");

System.out.println("2.查看DVD");

System.out.println("3.刪除DVD");

System.out.println("4.借出DVD");

System.out.println("5.歸還DVD");

System.out.println("6.退出DVD");

Scanner?input?=new?Scanner(System.in);

System.out.println("請選擇：");

?n=input.nextInt();

switch(n){

case?1:

System.out.println("請輸入要增加DVD的名稱：");

String?name1=input.next();

boolean?flag=false;

for(int?i=0;iname.length;i++){

if(name[i]==null){

name[i]=name1;

flag=true;

break;

}

}

if(flag){

System.out.println("新增DVD"+name1+"成功");

}else{

System.out.println("貨架已滿！增加失??！");

}

System.out.println("請輸入0返回！");

n=input.nextInt();

break;

case?2:

System.out.println("序號\t"+"狀態(tài)\t"+"名稱\t\t"+"借出日期\t"+"借出次數(shù)");

for(int?i=0;iname.length;i++){

if(name[i]!=null){

String?state1?=((state[i]==0)?"可借":"已借");

String?date1=((date[i]==0)?"":date[i]+"日");

String?count1=count[i]+"次";

System.out.println((i+1)+"\t"+state1+"\t"+name[i]+"\t"+date1+"\t\t"+count1);

}

}

System.out.println("請輸入0返回！");

n=input.nextInt();

break;

case?3:

System.out.println("請輸入要刪除的DVD名稱：");

String?name2=input.next();

int?index=-1;

boolean?a=false;

boolean?flag1=false;

for(int?i=0;iname.length;i++){

if(name2.equals(name[i])state[i]==1){

System.out.println("此DVD已經(jīng)借出，無法刪除");

a=true;

break;

}else?if(name2.equals(name[i])state[i]==0){

a=true;

index=i;

flag1=true;

System.out.println("刪除成功！");

break;

}

}

if(a==false){

System.out.println("沒有找到相同名稱的DVD！");

}

if(flag1){

for?(int?i=index;iname.length;i++){

if(i!=name.length-1){

name[i]=name[i+1];

state[i]=state[i+1];

date[i]=date[i+1];

count[i]=count[i+1];

}

name[name.length-1]=null;

state[name.length-1]=0;

date[name.length-1]=0;

count[name.length-1]=0;

}

}

System.out.println("請輸入0返回！");

n=input.nextInt();

break;

case?4:

System.out.println("請輸入要借出的DVD：");

?String?name3=input.next();

?boolean?a3=false;

?boolean?b3=false;

?for(int?i=0;iname.length;i++){

?if(name3.equals(name[i])??state[i]==1){

?System.out.println("該DVD已經(jīng)借出");

?a3=true;

?}else?if(name3.equals(name[i])??state[i]==0){

?do{

?System.out.println("請輸入借出的日期：");

int?m=input.nextInt();

?

?if(m31||m1){

?System.out.println("請重新輸入日期：");

?b3=true;

?}else{

?date[i]=m;?

?state[i]=1;

?count[i]+=1;

?}

?

?}while(b3==true);

?System.out.println("借出成功！");

?a3=true;

?}

?}

?if(a3==false){

?System.out.println("沒有該DVD");

?}

?System.out.println("請輸入0返回！");

?n=input.nextInt();

break;

case?5:

System.out.println("請輸入要歸還的DVD：");

String?name5=input.next();

boolean?b5=false;

boolean?m5=false;

for(int?i=0;iname.length;i++){

if(name5.equals(name[i])??state[i]==1){

b5=true;

do{

System.out.println("請輸入要歸還DVD的日期：（歸還日期請輸入當月日期?1~31）");

int?a5=input.nextInt();

if(a531){

System.out.println("請重新輸入日期：");

m5=true;

}else?if(a5date[i]){

System.out.println("借出日期是"+date[i]+"日\t輸入的日期不能小于借出的日期,請重新輸入日期：");

m5=true;

}else{

state[i]=0;

System.out.println("歸還成功");

System.out.println("借出日期是："+date[i]+"歸還日期是："+a5+"日\t租金一天一元：共"+(a5-date[i])+"元");

???date[i]=0;

???m5=false;

}

}while(m5==true);

}else?if?(name5.equals(name[i])??state[i]==0){

System.out.println("該DVD未借出，不可歸還！");

b5=true;

}

}

if(b5==false){

System.out.println("沒有該名稱的DVDV");

}

System.out.println("請輸入0返回！");

?n=input.nextInt();

break;

case?6:

n=1;

System.out.println("程序退出！");

break;

default:

if(n==0){

}else{

System.out.println("輸入錯誤！請重新輸入！");

n=0;

}

break;

}

}while(n==0);

System.out.println("謝謝使用！");

}

}

看看有沒有問題 好久之前的了

java新手,求完整的源代碼

//都是從新手過來的，以下代碼供參考

//1.

public?class?BankAccount?{

private?static?String?acctnum;

private?static?double?money;

private?static?void?showAcct()?{

System.out.println("賬號為:?"?+?acctnum);

}

private?static?void?showMoney()?{

System.out.println("余額為:?"?+?money);

}

public?BankAccount(String?acc,?double?m)?{

this.acctnum?=?acc;

this.money?=?m;

}

public?static?void?main(String[]?args)?{

BankAccount?ba?=?new?BankAccount("626600018888",?5000.00);

ba.showAcct();

ba.showMoney();

}

}

//2.

public?class?Triangle?{

private?static?float?a;

private?static?float?b;

private?static?float?c;

public?Triangle(float?a,?float?b,?float?c)?{

this.a?=?a;

this.b?=?b;

this.c?=?c;

}

public?static?boolean?judgeTriangle(float?a,?float?b,?float?c)?{

if?((a??Math.abs(b?-?c)??a??b?+?c)

?(b??Math.abs(a?-?c)??b??a?+?c)

?(c??Math.abs(a?-?b)??c??a?+?b))

return?true;

else

return?false;

}

public?float?getCircumference()?{

return?this.a?+?this.b?+?this.c;

}

}

//3.

public?class?TestTriangle?{

public?static?void?main(String[]?args)?{

Triangle?t?=?new?Triangle(5.3f,7.8f,9.3f);

if(t.judgeTriangle(5.3f,7.8f,9.3f)){

System.out.print("能夠成三角形，周長為:?");

System.out.printf("%9.2f",t.getCircumference());}

else

System.out.println("不能構(gòu)成三角形");

}

}

求JAVA源代碼

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

public class GradeStatistic {

public static void main(String[] args) {

GradeStatistic gs = new GradeStatistic();

ListMark list = new ArrayListMark();

float sum = 0;

while(true){

Scanner sc = new Scanner(System.in);

System.out.print("Please input student name: ");

String name = sc.nextLine();

if(name.equals("end")){

break;

}

System.out.print("Please input student score: ");

float score = sc.nextFloat();

sum += score;

list.add(gs.new Mark(name, score));

}

float max = list.get(0).getScore();

float min = list.get(0).getScore();

for(Mark mark: list){

if(max mark.getScore()){

max = mark.getScore();

}

if(min mark.getScore()){

min = mark.getScore();

}

}

float average = sum / list.size();

System.out.println("Average is: " + average);

System.out.println("Max is: " + max);

System.out.println("Min is: " + min);

}

private class Mark{

private String name;

private float score;

public Mark(String name, float score){

this.name = name;

this.score = score;

}

public String getName() {

return name;

}

public float getScore() {

return score;

}

}

}

----------------------

Please input student name: Zhang san

Please input student score: 100

Please input student name: Li Si

Please input student score: 91

Please input student name: Ec

Please input student score: 35

Please input student name: ma qi

Please input student score: 67

Please input student name: end

Average is: 73.25

Max is: 100.0

Min is: 35.0

用JAVA怎么編寫停車場管理系統(tǒng)源代碼？

importjava.text.SimpleDateFormat;\x0d\x0aimportjava.util.Date;\x0d\x0aimportjava.util.Scanner;\x0d\x0a\x0d\x0a/*********************************\x0d\x0a*停車場管理\x0d\x0a*authorzhang\x0d\x0a*2013-12-13\x0d\x0a********************************/\x0d\x0apublicclassCarStopManager{\x0d\x0a\x0d\x0apublicstaticvoidmain(String[]args){\x0d\x0aScannersc=newScanner(System.in);\x0d\x0a\x0d\x0aSystem.out.println("請入車牌號:");\x0d\x0aStringcarno=sc.next();\x0d\x0aCarStopManagercarStopManager=newCarStopManager();\x0d\x0acarStopManager.setCarNo(carno);//設(shè)置車牌號\x0d\x0a\x0d\x0aSimpleDateFormatformat=newSimpleDateFormat("yyyy-MM-ddHH:mm:ss");\x0d\x0aStringsdate=format.format(newDate());\x0d\x0aSystem.out.println("當前時間（入場時間）是:"+sdate);\x0d\x0a\x0d\x0aSystem.out.println("需要開出車場嗎？yes/no:");\x0d\x0aStringyesno=sc.next();\x0d\x0a\x0d\x0aif(yesno.equals("yes")){\x0d\x0aStringedate=format.format(newDate());\x0d\x0aSystem.out.println("出場時間是:"+edate);\x0d\x0a//計算方法\x0d\x0acarManager(2,sdate,edate,carStopManager);\x0d\x0a}\x0d\x0a}\x0d\x0a/**\x0d\x0a*計算方法\x0d\x0a*/\x0d\x0apublicstaticvoidcarManager(inttype,StringstarTime,\x0d\x0aStringendTime,CarStopManagercarStopManager){\x0d\x0a\x0d\x0aif(type==1){//按月收費\x0d\x0aSystem.out.println("如若沒有繳納月費請繳納800元，如若繳納將不再提示!");\x0d\x0a}else{\x0d\x0a/**\x0d\x0a*一般不會有停車幾個月的吧？先不考慮停車幾年或者幾個月的\x0d\x0a*/\x0d\x0aStringsDay=starTime.substring(8,10);//入場日期（天）\x0d\x0aStringsHour=starTime.substring(11,13);//入場小時\x0d\x0aStringsMM=starTime.substring(14,16);//入場分鐘\x0d\x0a\x0d\x0aStringeDay=starTime.substring(8,10);//出場日期（天）\x0d\x0aStringeHour=endTime.substring(11,13);//出廠小時\x0d\x0aStringeMM=endTime.substring(14,16);//出廠分鐘\x0d\x0a\x0d\x0afloatmoney=0;//需繳納的費用\x0d\x0aintshour=Integer.parseInt(sHour);\x0d\x0aintehour=Integer.parseInt(eHour);\x0d\x0aintsmm=Integer.parseInt(sMM);\x0d\x0aintemm=Integer.parseInt(eMM);\x0d\x0aintrehour=0;//停車幾個小時\x0d\x0a\x0d\x0aif(sDay.equals(eDay)){//同一天\x0d\x0a//當天6點到20點之間\x0d\x0aif((shour=6shour

回答于?2022-12-14

java se的全部源代碼哪里下載？

如果你已經(jīng)安裝了jdk的話，直接找到j(luò)dk的安裝目錄。有2個文件一個是jdk1.6(版本號) 一個是jre6（Java運行環(huán)境） 。進入jdk1.6文件夾下，找到src.zip的壓縮文件，解壓就是java se的源代碼

分享標題：java最全源代碼 java開發(fā)實例大全源碼
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