java學習第14天
package myproject;
import java.util.ArrayList;
public class jihe3 {
public static void main(String[] args) {
ArrayList<String>arr1=new ArrayList<>();
arr1.add(" 熱 人");
arr1.add(" 鞥和我");
arr1.add("給嗯");
arr1.add(" 恩傑");
arr1.add(" 預設");
for(int i=0;i<arr1.size();i++) {
String s=arr1.get(i);
System.out.println(s);
}
}
}
package myproject;
public class Studet {
private int age;
private String name;
private String no;
private String address;
public Studet() {}
public Studet(int age,String name,String no,String address) {
this.name=name;
this.age=age;
this.address=address;
this.no=no;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age=age;
}
public void setName(String name) {
this.name=name;
}
public String getName() {
return name;
}
public void setNo(String no) {
this.no=no;
}
public String getNo() {
return no;
}
public void setAddress(String address) {
this.address=address;
}
public String getAddress() {
return address;
}
}
package myproject;
import java.util.Scanner;
import java.util.ArrayList;
public class jihe5 {
public static void main(String[] args) {
ArrayList<Studet>arr1=new ArrayList<>();
//呼叫方法，新增學生資訊
arr1Add(arr1);
arr1Add(arr1);
arr1Add(arr1);
//輸出顯示學生資訊
for(int i=0;i<arr1.size();i++) {
Studet s=arr1.get(i);
System.out.println(s.getName()+","+s.getAge());
}
}
//定義一個方法用於新增學生資訊
public static void arr1Add(ArrayList<Studet>arr) {
//鍵盤輸入資料
Scanner sc=new Scanner(System.in);
System.out.println("請輸入學生姓名:");
String name=sc.nextLine();
System.out.println("請輸入學生年齡:");
int age=sc.nextInt();
//建立學生物件
Studet s=new Studet();
s.setName(name);
s.setAge(age);
arr.add(s);
}
}