Student.java
package cn.book.objectarr;/*** @author zhangyu* @date 2021年08月22日 6:57 下午*/
public class Student {private String name;private int age;public Student(){}public Student(String name,int age){this.age = age;this.name = name;}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 toString(){return "Student"+name+age;}}

主类

package cn.book.objectarr;/*** @author zhangyu* @date 2021年08月22日 8:12 下午*/
public class ObjectArrayDemo {public static void main(String[] args) {Student[] st = {new Student("张三",18),new Student("李四",34)};for(int x = 0 ;x < st.length;x++){System.out.println(st[x]);}}
}