如题所述
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ãã[java] view plaincopyprint?
ããpublic class Caller
ãã{
ããpublic MyCallInterface mc;
ãã
ããpublic void setCallfuc(MyCallInterface mc)
ãã{
ããthis.mc= mc;
ãã}
ãã
ããpublic void call(){
ããthis.mc.method();
ãã}
ãã}
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ããpublic interface MyCallInterface
ãã{
ããpublic void method();
ãã
ãã}
ããäºæ¯ï¼ç¨åºåBåªéè¦å®ç°è¿ä¸ªæ¥å£å°±è½è¾¾å°åè°çç®çäºï¼
ããpublic class B implements MyCallInterface
ãã{
ããpublic void method()
ãã{
ããSystem.out.println("åè°");
ãã}
ãã
ããpublic static void main(String args[])
ãã{
ããCaller call = new Caller();
ããcall.setCallfuc(new B());
ããcall.call();
ãã}
ãã}
å设ææ¯ç¨åºåAï¼ä»¥ä¸æ¯æçç¨åºaï¼
ãã[java] view plaincopyprint?
ããpublic class Caller
ãã{
ããpublic MyCallInterface mc;
ãã
ããpublic void setCallfuc(MyCallInterface mc)
ãã{
ããthis.mc= mc;
ãã}
ãã
ããpublic void call(){
ããthis.mc.method();
ãã}
ãã}
ããè¿éè¦å®ä¹ä¸ä¸ªæ¥å£ï¼ä»¥ä¾¿ç¨åºåBæ ¹æ®æçå®ä¹ç¼åç¨åºå®ç°æ¥å£ã
ããpublic interface MyCallInterface
ãã{
ããpublic void method();
ãã
ãã}
ããäºæ¯ï¼ç¨åºåBåªéè¦å®ç°è¿ä¸ªæ¥å£å°±è½è¾¾å°åè°çç®çäºï¼
ããpublic class B implements MyCallInterface
ãã{
ããpublic void method()
ãã{
ããSystem.out.println("åè°");
ãã}
ãã
ããpublic static void main(String args[])
ãã{
ããCaller call = new Caller();
ããcall.setCallfuc(new B());
ããcall.call();
ãã}
ãã}
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