面向对象(上)-this练习:Boy和Girl
package top.qaqaq.java.P235;

public class Boy {

	private String name;
	private int age;
	
	public Boy() {
		
	}
	
	public Boy(String name) {
		this.name = name;
	}
	
	public Boy(String name, int age) {
		this.name = name;
		this.age = age;
	}

	public void setName(String name) {
		this.name = name;
	}
	
	public String getName() {
		return name;
	}
	
	public void setAge(int age) {
		this.age = age;
	}
	
	public int getAge() {
		return age;
	}
	
	public void marry(Girl girl) {
		System.out.println("我想娶" + girl.getName());
	}
	
	public void shout() {
		if(this.age >= 22) {
			System.out.println("你可以去合法登记结婚了!");
		}else {
			System.out.println("先多谈谈恋爱~~");
		}
	}
	
}
package top.qaqaq.java.P235;

public class Girl {
	
	private String name;
	private int age;
	
	public Girl() {
		
	}
	
	public Girl(String name, int age) {
		this.name = name;
		this.age = age;
	}
	
	public String getName() {
		return name;
	}
	
	public void setName(String name) {
		this.name = name;
	}
	
	public void marry(Boy boy) {
		System.out.println("我想嫁给" + boy.getName());
		boy.marry(this);
	}
	
	/**
	 * 
	* @Description 比较两个对象的大小
	* @author RichieZhang
	* @date 2022年10月2日上午11:59:03
	* @param girl
	* @return	正数:当前对象大;负数:当前对象小;0:当前对象与形参对象相等
	 */
	public int compare(Girl girl) {
//		if(this.age > girl.age) {
//			return 1;
//		}else if(this.age < girl.age) {
//			return -1;
//		}else {
//			return 0;
//		}
		
		return this.age - girl.age;
	}

}
package top.qaqaq.java.P235;

public class BoyGirlTest {
	
	public static void main(String[] args) {
		
		Boy boy = new Boy("罗密欧",21);
		boy.shout();
		
		Girl girl = new Girl("朱丽叶", 18);
		girl.marry(boy);
		
		Girl girl1 = new Girl("祝英台",19);
		int compare = girl.compare(girl1);
		if(compare > 0) {
			System.out.println(girl.getName() + "大");
		}else if(compare < 0){
			System.out.println(girl1.getName() + "大");
		}else {
			System.out.println("一样大");
		}
	}

}
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Source: github.com/k4yt3x/flowerhd
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