Java \u5bf9\u8c61\u548c\u7c7b<\/h1>\n<\/p><\/div>\n
\n \u5728Java\u4e2d\u67093\u79cd\u521d\u59cb\u5316\u5bf9\u8c61\u7684\u65b9\u6cd5\u3002\n <\/div>\n
\u901a\u8fc7\u53c2\u8003\u53d8\u91cf<\/span>
\n \u901a\u8fc7\u65b9\u6cd5<\/span>
\n \u901a\u8fc7\u6784\u9020\u51fd\u6570<\/span> <\/p>\n
1)\u5bf9\u8c61\u548c\u7c7b\u793a\u4f8b: \u901a\u8fc7\u5f15\u7528\u8fdb\u884c\u521d\u59cb\u5316<\/h3>\n
\n \u521d\u59cb\u5316\u5bf9\u8c61\u610f\u5473\u7740\u5c06\u6570\u636e\u5b58\u50a8\u5230\u5bf9\u8c61\u4e2d\u3002\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5728\u8be5\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u5f15\u7528\u53d8\u91cf\u6765\u521d\u59cb\u5316\u5bf9\u8c61\u3002\n <\/div>\n
\n \u6587\u4ef6: TestStudent2.java\n <\/div>\n
 class <\/span>Student{
     int <\/span>id;
     String name;
 }
 class <\/span>TestStudent2{
     public <\/span>static void <\/span>main(String args[]){
         Student s1=new Student();
         s1.id=101;
         s1.name=\"Sonoo\"<\/span>;
         System.out.println<\/span>(s1.id+\" \"<\/span>+s1.name);
     \/\/printing members with a white space }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 101 Sonoo
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u6211\u4eec\u8fd8\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7\u5f15\u7528\u53d8\u91cf\u5728\u5176\u4e2d\u5b58\u50a8\u4fe1\u606f\u3002\n  <\/div>\n\n    \u6587\u4ef6: TestStudent3.java\n  <\/div>\n\n class <\/span>Student{
     int <\/span>id;
     String name;
 }
 class <\/span>TestStudent3{
     public <\/span>static void <\/span>main(String args[]){
         \/\/Creating objects Student s1=new Student();
         Student s2=new Student();
         \/\/Initializing objects s1.id=101;
         s1.name=\"Sonoo\"<\/span>;
         s2.id=102;
         s2.name=\"Amit\"<\/span>;
         \/\/Printing data System.out.println<\/span>(s1.id+\" \"<\/span><\/span>+s1.name);
         System.out.println<\/span>(s2.id+\" \"+s2.name);
     }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 101 Sonoo102 Amit
 <\/span><\/code><\/pre>\n<\/p><\/div>\n    <\/p>\n
 2)\u5bf9\u8c61\u548c\u7c7b\u793a\u4f8b: \u901a\u8fc7\u65b9\u6cd5\u8fdb\u884c\u521d\u59cb\u5316<\/h3>\n\n    \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u521b\u5efaStudent\u7684\u4e24\u4e2a\u5bf9\u8c61\u7c7b\uff0c\u5e76\u901a\u8fc7\u8c03\u7528insertRecord\u65b9\u6cd5\u521d\u59cb\u5316\u8fd9\u4e9b\u5bf9\u8c61\u7684\u503c\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u901a\u8fc7\u8c03\u7528displayInformation()\u65b9\u6cd5\u6765\u663e\u793a\u5bf9\u8c61\u7684\u72b6\u6001(\u6570\u636e)\u3002\n  <\/div>\n\n    \u6587\u4ef6: TestStudent4.java\n  <\/div>\n\n class <\/span>Student{
     int <\/span>rollno;
     String name;
     void insertRecord(int <\/span>r, String n){
         rollno=r;
         name=n;
     }
     void displayInformation(){
         System.out.println<\/span>(rollno+\" \"<\/span>+name);
     }
 }
 class <\/span>TestStudent4{
     public <\/span>static void <\/span>main(String args[]){
         Student s1=new Student();
         Student s2=new Student();
         s1.insertRecord<\/span>(111,\"Karan\"<\/span>);
         s2.insertRecord<\/span>(222,\"Aryan\"<\/span>);
         s1.displayInformation<\/span>();
         s2.displayInformation<\/span>();
     }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 111 Karan222 Aryan
 <\/span><\/code><\/pre>\n<\/p><\/div>\n   <\/p>\n
\n    \u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5bf9\u8c61\u83b7\u53d6\u5806\u5185\u5b58\u4e2d\u7684\u5185\u5b58\u533a\u3002\u5f15\u7528\u53d8\u91cf\u5f15\u7528\u5728\u5806\u5185\u5b58\u533a\u57df\u4e2d\u5206\u914d\u7684\u5bf9\u8c61\u3002\u6b64\u5904\uff0cs1\u548cs2\u90fd\u662f\u5f15\u7528\u53d8\u91cf\uff0c\u5b83\u4eec\u5f15\u7528\u5185\u5b58\u4e2d\u5206\u914d\u7684\u5bf9\u8c61\u3002\n  <\/div>\n
\n 3)\u5bf9\u8c61\u548c\u7c7b\u793a\u4f8b: \u901a\u8fc7\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316<\/h3>\n\n    \u7a0d\u540e\u6211\u4eec\u5c06\u5b66\u4e60Java\u4e2d\u7684\u6784\u9020\u51fd\u6570\u3002\n  <\/div>\n
\n\u5bf9\u8c61\u548c\u7c7b\u793a\u4f8b: \u5458\u5de5<\/h3>\n\n    \u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u6211\u4eec\u7ef4\u62a4\u5458\u5de5\u8bb0\u5f55\u7684\u793a\u4f8b\u3002\n  <\/div>\n\n    \u6587\u4ef6: TestEmployee.java\n  <\/div>\n\n class <\/span>Employee{
     int <\/span>id;
     String name;
     float<\/span> salary;
     void insert(int <\/span>i, String n, float<\/span> s) {
         id=i;
         name=n;
         salary=s;
     }
     void display(){
         System.out.println<\/span>(id+\" \"<\/span><\/span>+name+\" \"+salary);
     }
 }
 public <\/span>class <\/span>TestEmployee {
     public <\/span>static void <\/span>main(String[] args) {
         Employee e1=new Employee();
         Employee e2=new Employee();
         Employee e3=new Employee();
         e1.insert<\/span>(101,\"ajeet\"<\/span>,45000);
         e2.insert<\/span>(102,\"irfan\"<\/span>,25000);
         e3.insert<\/span>(103,\"nakul\"<\/span>,55000);
         e1.display<\/span>();
         e2.display<\/span>();
         e3.display<\/span>();
     }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 101 ajeet 45000.0102 irfan 25000.0103 nakul 55000.0
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\u5bf9\u8c61\u548c\u7c7b\u793a\u4f8b: Rectangle<\/h3>\n\n    \u7ed9\u51fa\u4e86\u53e6\u4e00\u4e2a\u7ef4\u62a4Rectangle\u7c7b\u8bb0\u5f55\u7684\u793a\u4f8b\u3002\n  <\/div>\n\n    \u6587\u4ef6: TestRectangle1.java\n  <\/div>\n\n class <\/span>Rectangle{
     int <\/span>length;
     int <\/span>width;
     void insert(int <\/span>l, int <\/span>w){
         length=l;
         width=w;
     }
     void calculateArea(){
         System.out.println<\/span>(length*width);
     }
 }
 class <\/span>TestRectangle1{
     public <\/span>static void <\/span>main(String args[]){
         Rectangle r1=new Rectangle();
         Rectangle r2=new Rectangle();
         r1.insert<\/span>(11,5);
         r2.insert<\/span>(3,15);
         r1.calculateArea<\/span>();
         r2.calculateArea<\/span>();
     }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 55 45
 <\/span><\/code><\/pre>\n<\/p><\/div>\n    <\/p>\n
\u5728Java\u4e2d\u521b\u5efa\u5bf9\u8c61\u7684\u65b9\u6cd5\u6709\u54ea\u4e9b\uff1f<\/h2>\n\n    \u5728Java\u4e2d\u521b\u5efa\u5bf9\u8c61\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u3002\u4ed6\u4eec\u662f:\n  <\/div>\n  \u4f7f\u7528new\u5173\u952e\u5b57<\/span>
\n  \u901a\u8fc7newInstance()\u65b9\u6cd5<\/span>
\n  \u901a\u8fc7clone()\u65b9\u6cd5<\/span>
\n  \u901a\u8fc7\u53cd\u5e8f\u5217\u5316<\/span>
\n  \u901a\u8fc7\u5de5\u5382\u65b9\u6cd5\u7b49<\/span> <\/p>\n
\n    \u6211\u4eec\u7a0d\u540e\u5c06\u5b66\u4e60\u8fd9\u4e9b\u521b\u5efa\u5bf9\u8c61\u7684\u65b9\u6cd5\u3002\n  <\/div>\n  
\n    <\/p>\n
\u533f\u540d\u5bf9\u8c61<\/h2>\n\n    \u533f\u540d\u53ea\u662f\u8868\u793a\u65e0\u540d\u3002\u6ca1\u6709\u5f15\u7528\u7684\u5bf9\u8c61\u79f0\u4e3a\u533f\u540d\u5bf9\u8c61\u3002\u53ea\u80fd\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u4f7f\u7528\u5b83\u3002\n  <\/div>\n\n    \u5982\u679c\u60a8\u53ea\u9700\u8981\u4f7f\u7528\u4e00\u6b21\u5bf9\u8c61\uff0c\u5219\u533f\u540d\u5bf9\u8c61\u662f\u4e00\u79cd\u5f88\u597d\u7684\u65b9\u6cd5\u3002\u4f8b\u5982:\n  <\/div>\n\n new Calculation();
 \/\/anonymous object
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u901a\u8fc7\u5f15\u7528\u8c03\u7528\u65b9\u6cd5:\n  <\/div>\n\n Calculation c=new Calculation();
 c.fact<\/span>(5);
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u901a\u8fc7\u533f\u540d\u5bf9\u8c61\u8c03\u7528\u65b9\u6cd5\n  <\/div>\n\n new Calculation().fact<\/span>(5);
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8ba9\u6211\u4eec\u770b\u4e00\u4e0bJava\u4e2d\u533f\u540d\u5bf9\u8c61\u7684\u5b8c\u6574\u793a\u4f8b\u3002\n  <\/div>\n\n class <\/span>Calculation{
     void fact(int <\/span> n){
         int <\/span>fact=1;
         for(int <\/span>i=1;i<=n;i++){
             fact=fact*i;
         }
         System.out.println<\/span>(\"factorial is \"<\/span>+fact);
     }
     public <\/span>static void <\/span>main(String args[]){
         new Calculation().fact<\/span>(5);
     \/\/calling method with anonymous object}
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n Factorial is 120
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\u4ec5\u6309\u4e00\u79cd\u7c7b\u578b\u521b\u5efa\u591a\u4e2a\u5bf9\u8c61<\/h3>\n\n    \u6211\u4eec\u53ea\u80fd\u6309\u4e00\u79cd\u7c7b\u578b\u521b\u5efa\u591a\u4e2a\u5bf9\u8c61\uff0c\u5c31\u50cf\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u4e00\u6837\n  <\/div>\n\n    \u539f\u59cb\u53d8\u91cf\u7684\u521d\u59cb\u5316:\n  <\/div>\n\n int <\/span>a=10, b=20;
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u5f15\u7528\u53d8\u91cf\u7684\u521d\u59cb\u5316:\n  <\/div>\n\n Rectangle r1=new Rectangle(), r2=new Rectangle();
 \/\/creating two objects
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u793a\u4f8b:\n  <\/div>\n\n \/\/Java Program to illustrate the use of Rectangle class <\/span>which
 \/\/has length and width data membersclass <\/span>Rectangle{
     int <\/span>length;
     int <\/span>width;
     void insert(int <\/span>l,int <\/span>w){
         length=l;
         width=w;
     }
     void calculateArea(){
         System.out.println<\/span>(length*width);
     }
 }
 class <\/span>TestRectangle2{
     public <\/span>static void <\/span>main(String args[]){
         Rectangle r1=new Rectangle(),r2=new Rectangle();
         \/\/creating two objects r1.insert<\/span>(11,5);
         r2.insert<\/span>(3,15);
         r1.calculateArea<\/span>();
         r2.calculateArea<\/span>();
     }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 55 45
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\u771f\u5b9e\u793a\u4f8b: TestAccount<\/h3>\n\n    \u6587\u4ef6: TestAccount.java\n  <\/div>\n\n \/\/Java Program to demonstrate the working of a banking-system
 \/\/where we deposit and withdraw amount from our account.
 \/\/Creating an Account class <\/span>which has deposit() and withdraw() methodsclass <\/span>Account{
     int <\/span>acc_no;
     String name;
     float<\/span> amount;
     \/\/Method to initialize objectvoid insert(int <\/span>a,String n,float<\/span> amt){
         acc_no=a;
         name=n;
         amount=amt;
     }
     \/\/deposit methodvoid deposit(float<\/span> amt){
         amount=amount+amt;
         System.out.println<\/span>(amt+\" deposited\"<\/span>);
     }
     \/\/withdraw methodvoid withdraw(float<\/span> amt){
         if(amount<amt){
             System.out.println<\/span>(\"Insufficient Balance\"<\/span>);
         }
         else{
             amount=amount-amt;
             System.out.println<\/span>(amt+\" withdrawn\"<\/span>);
         }
     }
     \/\/method to check the balance of the accountvoid checkBalance(){
         System.out.println<\/span>(\"Balance is: \"<\/span>+amount);
     }
     \/\/method to display the values of an objectvoid display(){
         System.out.println<\/span>(acc_no+\" \"<\/span><\/span>+name+\" \"+amount);
     }
 }
 \/\/Creating a test class <\/span>to deposit and withdraw amountclass <\/span>TestAccount{
     public <\/span>static void <\/span>main(String[] args){
         Account a1=new Account();
         a1.insert<\/span>(832345,\"Ankit\"<\/span>,1000);
         a1.display<\/span>();
         a1.checkBalance<\/span>();
         a1.deposit<\/span>(40000);
         a1.checkBalance<\/span>();
         a1.withdraw<\/span>(15000);
         a1.checkBalance<\/span>();
     }
 }
 <\/span><\/code><\/pre>\n<\/p><\/div>\n\n    \u8f93\u51fa:\n  <\/div>\n\n 832345 Ankit 1000.0Balance is: 1000.040000.0 depositedBalance is: 41000.015000.0 withdrawnBalance is: 26000.0
 <\/span><\/code><\/pre>\n<\/p><\/div>\n <\/body>
\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"Java \u5bf9\u8c61\u548c\u7c7bzh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[111],"tags":[],"class_list":["post-715","post","type-post","status-publish","format-standard","hentry","category-java-jichu"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/715"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=715"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/715\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}