add demo related to method

CodeCoderCoding · CodeCoderCoding · commit 8cf4c70047ae · 2023-01-17T17:56:25.000+08:00
diff --git a/src/ABasic/A7Method/MethodReference.java b/src/ABasic/A7Method/MethodReference.java
@@ -0,0 +1,16 @@
+package ABasic.A7Method;
+
+public class MethodReference {
+    public static void main(String[] args) {
+        Person person=new Person("name", 18, "black");
+        Person person1=new Person("name1", 19);
+        System.out.println(person1.toString());
+        copyAttribute(person, person1);
+        System.out.println(person1.toString());
+    }
+
+    public static void copyAttribute(Person person, Person person1){
+        person1.setEyeColor(person.getEyeColor());
+    }
+
+}
diff --git a/src/ABasic/A7Method/Person.java b/src/ABasic/A7Method/Person.java
@@ -0,0 +1,73 @@
+package ABasic.A7Method;
+
+import java.util.Date;
+
+public class Person {
+    private String name;
+    private int age;
+    private String eyeColor;
+    private Date birthday;
+
+    /**
+     * 构造方法具有两个特性：①名称是固定的，与类名相同； ②没有返回值，也不能有返回值
+     * @param name
+     * @param age
+     * @param eyeColor
+     */
+    public Person(String name, int age, String eyeColor){
+        this.name=name;
+        this.age=age;
+        this.eyeColor=eyeColor;
+    }
+
+    /**
+     * 构造方法的重载
+     * @param name
+     * @param age
+     */
+    public Person(String name, int age){
+        this.name=name;
+        this.age=age;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public void setName(String name) {
+        this.name=name;
+    }
+
+    public int getAge() {
+        return this.age;
+    }
+
+    public void setAge(int age) {
+        this.age=age;
+    }
+
+    public String getEyeColor() {
+        return eyeColor;
+    }
+
+    public void setEyeColor(String eyeColor) {
+        this.eyeColor = eyeColor;
+    }
+
+    public Date getBirthday() {
+        return birthday;
+    }
+
+    public void setBirthday(Date birthday) {
+        this.birthday = birthday;
+    }
+
+    /**
+     * 重载Object的toString()方法
+     */
+    @Override
+    public String toString() {
+        String string="name: "+name+", age: "+age+", eyeColor: "+eyeColor;
+        return string;
+    }
+}
diff --git a/src/ABasic/A7Method/StringMethodReference.java b/src/ABasic/A7Method/StringMethodReference.java
@@ -1,6 +1,6 @@
-package ABasic.A4String;
+package ABasic.A7Method;
 
-public class StringBufferBuilder {
+public class StringMethodReference {
     public static void main(String[] args) {
         stringMethod();
     }

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`		`-package ABasic.A4String;`
	`1`	`+package ABasic.A7Method;`
`2`	`2`
`3`		`-public class StringBufferBuilder {`
	`3`	`+public class StringMethodReference {`
`4`	`4`	`public static void main(String[] args) {`
`5`	`5`	`stringMethod();`
`6`	`6`	`}`