详细讲述Java中的克隆

//倒霉的羊ZDNetChina空间0HS;b4Qh]?%U5L
public class Sheep implements Cloneable{
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Ks0private String name;
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Y;aw%S0public void setName(String arg) {ZDNetChina空间@#]+o'r[J
name = arg;ZDNetChina空间8z\_/f{5B_:}
}ZDNetChina空间J-x	J;@q3fo
public String getName() {ZDNetChina空间ilU7p*^(B.DU
return name;ZDNetChina空间P$T3xn&~VkV2g
}ZDNetChina空间
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public Object clone() throws CloneNotSupportedException {
c!|qRq5u9u0return super.clone();
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//克隆
7b+|$n!C!q\7M.m0public class Main {
(|8Y4fJ1B/j@3j0public static void main(String[] args) throws CloneNotSupportedException {
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F0Sheep sheep = new Sheep(); //先得到那只羊的实例
j;ow,jF(Q2\ ?0sheep.setName("我是真的"); //给它做个记号ZDNetChina空间d9^@;Z4}F\$c+S
System.out.println("sheep.getName() = " + sheep.getName());ZDNetChina空间g N7n:|$y`	uI
Sheep sheepClone = (Sheep)sheep.clone(); //开始克隆
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WJ0System.out.println("sheepClone.getName() = " + sheepClone.getName());ZDNetChina空间rpI6j*k'Tm
}
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//倒霉的羊ZDNetChina空间$rW`R&t+v
public class Sheep implements Cloneable{
.Rf-[2M+dBx0private String name;ZDNetChina空间-XL`Ou
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public void setName(String arg) {ZDNetChina空间RWj)\g]:~C
name = arg;ZDNetChina空间}o(N!j:q3{0B
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}
0S,DLILf!l)k R6_0public String getName() {ZDNetChina空间K4dB|\oc.BD
return name;ZDNetChina空间:yK(OPn4rG
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}
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P|c0public Object clone() throws CloneNotSupportedException {ZDNetChina空间@F)t&Gbt
return super.clone();ZDNetChina空间:Ubo1`.uB6@q$n
}
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9@E ooQ_mO0//羊圈
Q~vK5f/vW0public class Sheepfold implements Cloneable {
ds(l$a4v$wl)d/x;j0public Sheep sheep;
4J\	Q2g1sZ1U(}.E4M0public String name;ZDNetChina空间	T)Mm!y|"A.R[
public Sheepfold() {ZDNetChina空间 p|cX:{8g/P,hW
sheep = new Sheep();
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public Object clone() throws CloneNotSupportedException {
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\$_	a%^K0return super.clone();ZDNetChina空间szq!n+ZqrQM,Yv^
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//克隆ZDNetChina空间4YEu8e9dn0`f8\
public class Main {
a|.OM3?b0public static void main(String[] args) throws Exception {ZDNetChina空间JAR:e
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Sheepfold fold = new Sheepfold();ZDNetChina空间yWy7|)~%{8t
fold.name = "小羊圈";ZDNetChina空间,UJ*Th{ss]
fold.sheep.setName("小羊");ZDNetChina空间8Xh"Ch|Z
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Sheepfold fold2 = (Sheepfold)fold.clone();
 `R_S*Q}}1L/]0System.out.println(" fold2.name = " + fold2.name);ZDNetChina空间|	oX"`1H}
System.out.println(" fold2.sheep.getName() = " + fold2.sheep.getName());ZDNetChina空间.|Vxm'\!H4\kr
fold2.name = "大羊圈";ZDNetChina空间Fc	r w.J
fold2.sheep.setName("大羊");ZDNetChina空间(XQ/^Y
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System.out.println("=====================================");ZDNetChina空间 `]lx3~.Z.^]g{cZ
System.out.println(" fold2.name = " + fold2.name);ZDNetChina空间
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System.out.println("* fold2.sheep.getName() = " + fold2.sheep.getName());
9?0u+t0b#{:~*?r0System.out.println(" fold.name = " + fold.name);ZDNetChina空间7[-j4Q"J+M+R,X0O:_
System.out.println("* fold.sheep.getName() = " + fold.sheep.getName());ZDNetChina空间K6x2q&n:l
System.out.println("=====================================");
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}

public Object clone() throws CloneNotSupportedException {
uNg4t)i!z1J0Sheepfold fold = (Sheepfold)super.clone();ZDNetChina空间6ee
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sheep = (Sheep)fold.sheep.clone();ZDNetChina空间s*JMJ2HF6}G
return fold;ZDNetChina空间B+\'{?j`4HT
}