添加clone的默认接口类

hutool-core/src/test/java/cn/hutool/core/clone/DefaultCloneTest.java

@@ -0,0 +1,86 @@
+package cn.hutool.core.clone;
+
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class DefaultCloneTest {
+
+	@Test
+	public void clone0() {
+		Car oldCar = new Car();
+		oldCar.setId(1);
+		oldCar.setWheelList(Stream.of(new Wheel("h")).collect(Collectors.toList()));
+
+		Car newCar = oldCar.clone0();
+		Assert.assertEquals(oldCar.getId(),newCar.getId());
+		Assert.assertEquals(oldCar.getWheelList(),newCar.getWheelList());
+
+		newCar.setId(2);
+		Assert.assertNotEquals(oldCar.getId(),newCar.getId());
+		newCar.getWheelList().add(new Wheel("s"));
+
+		Assert.assertNotSame(oldCar, newCar);
+
+	}
+
+}
+
+class Car implements DefaultClone {
+	private Integer id;
+	private List<Wheel> wheelList;
+
+	public Integer getId() {
+		return id;
+	}
+
+	public void setId(Integer id) {
+		this.id = id;
+	}
+
+	public List<Wheel> getWheelList() {
+		return wheelList;
+	}
+
+	public void setWheelList(List<Wheel> wheelList) {
+		this.wheelList = wheelList;
+	}
+
+	@Override
+	public String toString() {
+		return "Car{" +
+				"id=" + id +
+				", wheelList=" + wheelList +
+				'}';
+	}
+}
+
+
+class Wheel {
+	private String direction;
+
+	public Wheel(String direction) {
+		this.direction = direction;
+	}
+
+	public String getDirection() {
+		return direction;
+	}
+
+	public void setDirection(String direction) {
+		this.direction = direction;
+	}
+
+	@Override
+	public String toString() {
+		return "Wheel{" +
+				"direction='" + direction + '\'' +
+				'}';
+	}
+}
+
+