继承性的基本练习

public class ManKind {

private int sex;//性别
private int score;//分数

public ManKind() {
	
}

public ManKind(int sex, int score) {
	this.sex = sex;
	this.score = score;
}


public void manOrWoman() {
	if(sex == 1) {
		System.out.println("man");
	}else if(sex == 0) {
		System.out.println("woman");
	}
}
public void test() {
//		if(score == 0) {
//			System.out.println("不及格");
//		}else {
//			System.out.println("及格");
//		}
		//或
		String studyInfo = (score == 0)? "不及格" : "及格";
		System.out.println(studyInfo);
	}
	public int getSex() {
		return sex;
	}
	public void setSex(int sex) {
		this.sex = sex;
	}
	public int getScore() {
	return score;
}
public void setScore(int score) {
	this.score = score;
}

}


public class Kids extends ManKind{
	private int yearsOld;
	
	public Kids() {
		
	}
	
	public Kids(int yearsOld) {
		this.yearsOld = yearsOld;
}

public void printAge() {
	System.out.println("I am " + yearsOld + " years old.");
}

public int getYearsOld() {
	return yearsOld;
}

public void setYearsOld(int yearsOld) {
	this.yearsOld = yearsOld;
}
}



public class KidsTest {
	public static void main(String[] args) {
		
		Kids someKids = new Kids(12);
		
		someKids.printAge();
		
		someKids.manOrWoman();
		someKids.setSex(0);
		
		someKids.test();
		someKids.setScore(1);
	
	
}
}