面向对象的思想:
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类、对象:
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构造器:
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如何定义类来创建对象使用?
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构造器:
public class Student {
String name;
double score;
//构造器
public Student(){
System.out.println("无参数构造器被触发执行了");
}
public Student(String name, double score){
System.out.println("有参数构造器被触发执行了");
this.name=name;
this.score=score;
}
}
this关键字:
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封装:
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标准JavaBean:
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局部变量和成员变量的区别:
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