package CException; public class TestFinally { public static void main(String[] args){ //System.out.println(testFinally1()); System.out.println(); //System.out.println(testFinally2()); System.out.println(); int result=testFinally3();//return //System.out.println(result); System.out.println(); System.out.println(testFinally4()); } public static String testFinally1(){ try{ return "tryè¯å¥å—被执行"; }catch(Exception e){ return "catchè¯å¥å—被执行"; }finally{ System.out.println("finallyè¯å¥å—被执行"); } } public static String testFinally2(){ try{ return "tryè¯å¥å—被执行"; }catch(Exception e){ return "catchè¯å¥å—被执行"; }finally{//'finally' block can not complete normally System.out.println("finallyè¯å¥å—被执行"); return "finally returnè¯å¥è¢«æ‰§è¡Œ"; } } public static int testFinally3(){ int number=1; try{ number=2; return number;//return的返回值先å˜å‚¨åœ¨æŸä¸ªåœ°æ–¹ï¼Œç‰æ–¹æ³•æ‰§è¡Œå®ŒåŽå†èµ‹å€¼ }catch(Exception e){ return 0; }finally{ number=3; System.out.println("finallyè¯å¥å—被执行"); } } public static String testFinally4(){ String string="Hello"; String string1=new String("Hello"); try{ return string;//这里是引用， }catch(Exception e){ return null; }finally{ string+="World"; System.out.println("finallyè¯å¥å—被执行"); } } }