在类中创建java类中的对象
您应该使内部类保持静态。此外,Java的约定告诉您,类应以大写字母开头,变量应以小写字母开头:在类中创建java类中的对象,java,object,Java,Object,您应该使内部类保持静态。此外,Java的约定告诉您,类应以大写字母开头,变量应以小写字母开头: public class OutterClass { class jiren { int a = 20; int b = 30; } public static void main(String[] args) { OutterClass.jiren CA = new jiren(); // (this part
public class OutterClass {
class jiren {
int a = 20;
int b = 30;
}
public static void main(String[] args) {
OutterClass.jiren CA = new jiren();
// (this part shows error)
// (what do I put before new to //creat the object. )
}
}
如何为主体创建对象。我不知道在新建之前放什么。类
jiren
需要是static
,以便您在static
方法main
@KevinAnderson中创建它的实例,谢谢!
public class OutterClass {
public static class Jiren{
int a = 20;
int b = 30;
}
public static void main (String [] args) {
OutterClass.Jiren ca = new OutterClass.Jiren();
}
}