[英]How to call a method of an already created object from another class method?
[英]Java: How to call a class method from an object created in the class?
我有一个班级,比如说 School,我在其中创建了一个对象 Student。 如何从 Student 类调用位于 School 类中的方法而不使其成为静态方法?
这是一个快速示例:
public class School(){
Student s1 = new Student();
public void createNewStudent(){
Student s2 = new Student();
}
}
public class Student(){
School.createNewStudent();
}
先感谢您!
在 Student 类中创建 School 类的实例
前任:
School school = new School();
school.createNewStudent();
在java中,类方法是静态方法。
public class MyClass{
public static void myClassMethod() {
System.out.println("inside class method");
}
public void myInstanceMethod() {
MyClass.myClassMethod();
}
public static void main (String args[]) {
MyClass.myClassMethod();
MyClass myInstance = new MyClass();
myInstance.myInstanceMethod();
}
}
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