设计模式——适配器模式

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类适配器

UML图：

target接口：

public interface Target {public void numberSort(double a[]);public void numberSort(int a[]);}

adaptee类：

public class Adaptee {public void numberSort(double a[]){double temp;for(int i=0; i<a.length; i++){for(int j=i; j<a.length; j++){if(a[i] > a[j]){temp = a[i];a[i] = a[j];a[j] = temp;}}}}}

adapter类：

public class ClassAdapterSort extends Adaptee implements Target{public void numberSort(int a[]){int n = a.length;double b[] = new double[n];for(int i=0; i<n; i++){b[i] = a[i] ;}this.numberSort(b);for(int i=0; i<n; i++){a[i] =(int) b[i];}}public void numberSort(double a[]){double temp;for(int i=0; i<a.length; i++){for(int j=i; j<a.length; j++){if(a[i] > a[j]){temp = a[i];a[i] = a[j];a[j] = temp;}}}}}

对象适配器：

UML图：

target接口：

public interface Target {public void numberSort(double a[]);public void numberSort(int a[]);}

adaptee类：

public class Adaptee {public void numberSort(double a[]){double temp;for(int i=0; i<a.length; i++){for(int j=i; j<a.length; j++){if(a[i] > a[j]){temp = a[i];a[i] = a[j];a[j] = temp;}}}}}

adapter类：

public class ObjectAdapterSort implements Target{private Adaptee adaptee = new Adaptee();public void numberSort(int a[]){int n = a.length;double b[] = new double[n];for(int i=0; i<n; i++){b[i] = a[i] ;}adaptee.numberSort(b);for(int i=0; i<n; i++){a[i] =(int) b[i];}}public void numberSort(double a[]){adaptee.numberSort(a);}}

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