This is the Student class
package com.ma_0002;
/**
* Create a student class and override the toString() method
* @author TP
*
*/
public class Student {
/************Member variable area****************/
/**student name*/
String name;
/**Student age*/
int age;
/************Construction method area****************/
public Student() {
super();
}
public Student(String name, int age) {
super();
this.name = name;
this.age = age;
}
/************get and set method area ****************/
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;
}
/************Rewritten toString() method ****************/
@Override
public String toString() {
return "Student [name=" + name + ", age=" + age + "]";
}
}
This is the test class StudentTest
package com.ma_0002;
/**
* Student test class
* @author TP
*
*/
public class StudentTest {
/*
* need:
* Create several Student diagonals, put them into an array, and output
*
* analyze:
* 1. Create an object with the Student constructor
* 2. Create a Student[] array to put objects
* 3. Output
*/
public static void main(String[] args) {
//Create a student class object
Student s = new Student("张大",1);
Student s2 = new Student("张二",2);
Student s3 = new Student("张三",3);
Student s4 = new Student("Zhang Si",4);
Student s5 = new Student("Zhang Wu",5);
Student s6 = new Student("张六",6);
//Create a Student[] array to hold the object
Student[] stuArr = new Student[6];
//assign the array
stuArr [0] = s;
stuArr [1] = s2;
stuArr[2] = s3;
stuArr [3] = s4;
stuArr [4] = s5;
stuArr [5] = s6;
// loop through the output array elements
for (int i = 0; i < stuArr.length; i++) {
System.out.println("s"+i+" : "+stuArr[i]);
}
}
}
Results of the:
s0 : Student [name=Zhang Da, age=1]
s1 : Student [name=Zhang Er, age=2]
s2 : Student [name=Zhang San, age=3]
s3 : Student [name=Zhang Si, age=4 ]
s4 : Student [name=Zhang Wu, age=5]
s5 : Student [name=Zhang Liu, age=6]