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交作业

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public class Person {

	// TODO

	String name;
	
	static int count=0;
	

	public Person(String name) {
		count++;
		this.name = name;
	}
	
	
	public static int getCount() {
		return count;
	}

}


public class Main {

	public static void main(String[] args) {
		// TODO: 给Person类增加一个静态字段count和静态方法getCount,统计实例的个数
		Person p1 = new Person("小明");
		System.out.println(Person.getCount()); // 1
		Person p2 = new Person("小红");
		System.out.println(Person.getCount()); // 2
		Person p3 = new Person("小军");
		System.out.println(Person.getCount()); // 3
	}

}





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