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這篇文章主要為大家展示了“怎么實(shí)現(xiàn)Java中的表格數(shù)據(jù)存儲(chǔ)”,內(nèi)容簡(jiǎn)而易懂,條理清晰,希望能夠幫助大家解決疑惑,下面讓小編帶領(lǐng)大家一起研究并學(xué)習(xí)一下“怎么實(shí)現(xiàn)Java中的表格數(shù)據(jù)存儲(chǔ)”這篇文章吧。
import java.util.Arrays;
/**
* 使用Object[][]存儲(chǔ)表格信息
* @author Lhk
*
*/
public class Array_Test01 {
public static void main(String args[]){
//一個(gè)Object[]數(shù)組代表表格的一行數(shù)據(jù)
//此處的基本數(shù)據(jù)類型1001,1002,1003本質(zhì)不是Object對(duì)象,Java編譯會(huì)自動(dòng)把基本數(shù)據(jù)類型“自動(dòng)裝箱”成包裝類對(duì)象
Object[] emp0={1001,"明明",20,"程序員","2021-03-28"};
Object[] emp1={1002,"花花",21,"程序員","2021-02-28"};
Object[] emp2={1002,"小李",19,"程序員","2021-04-01"};
Object[][] emps=new Object[3][];
emps[0]=emp0;
emps[1]=emp1;
emps[2]=emp2;
//遍歷數(shù)組(可用嵌套循環(huán)遍歷多維數(shù)組),輸出表格
for(int i=0;i<emps.length;i++){
System.out.println(Arrays.toString(emps[i]));
}
}
}
import java.util.Arrays;
/**
* 使用javabean和數(shù)組存儲(chǔ)表格信息
* @author Lhk
*
*/
public class Array_Test02 {
public static void main(String args[]) {
Emps emp0=new Emps(1001,"明明",20,"程序員","2021-03-28");
Emps emp1=new Emps(1002,"花花",21,"程序員","2021-02-28");
Emps emp2=new Emps(1002,"小李",19,"程序員","2021-04-01");
Emps[] emps={emp0,emp1,emp2};//靜態(tài)初始化
for(int i=0;i<emps.length;i++){
System.out.println(emps[i].toString());
}
}
}
class Emps {
private int id;
private String name;
private int age;
private String job;
private String hiretime;
public Emps(int id, String name, int age, String job, String hiretime) {
super();
this.id = id;
this.name = name;
this.age = age;
this.job = job;
this.hiretime = hiretime;
}
public Emps() {
super();
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getJob() {
return job;
}
public void setJob(String job) {
this.job = job;
}
public String getHiretime() {
return hiretime;
}
public void setHiretime(String hiretime) {
this.hiretime = hiretime;
}
@Override
public String toString() {
//重寫toString()方法可以用get方法來返回屬性
return "emps [id=" + getId() + ", name=" + getName() + ", age=" + getAge() + ", job=" + getJob() + ", Hiretime=" + getHiretime() + "]";
}
}
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