????

???????????&&??||??!

???????????????????????????????????????”??·”???

????test(1) && test(2) && test(3) //????ж????????????test????????ж??????????

????test(1) || test(2) || test(3)  //????ж????????????test????????ж??????????

??????λ????????λ??(&)??λ??(|)??λ??(~)??

?????з???λ????(<<):??λ??0

?????з???λ????(>>):???????????λ??0?????????????λ??1

?????????λ????(<<<):??????????λ?????0

?????????λ????(>>>):??????????λ?????0

?????????char??byte??short?????????????λ????????????λ????????????????int?????

?????????????????int?????????λ???????????е?5λ??????(int?????2??5?η?)

???????????

????boolean-exp ? value0 : value1

???????????????boolean-exp?true?????value0?????????value1

???????????????

??????????Java???????????????漰??????if-else??while??do-while??for??return??break??continue

????Java???????goto?????????java???????????goto

?????????ж???????????ж?????????????????????????????????

???????java????????????????boolean?????????????????????????????????????????????????????????????????????????????

????Ex??a???boolean????? if(a)×à  if(a!=0) √

????while?????ж?????????????????壬?????false????ζ??????

????do-while???????????壬???ж?????????????????????????

????for???for(int  i = 1?? j = 5;i < 5;i++??j = i+2)

????for??????????????????????????????????????????????Щ????????????????????????

????for????п???????????ж?????????????

????????е?for?????for(char c : “hello world”.toCharArray())

???????for????????????????????????????е?for???????????????????

????Think in java ??????д???range()?????????????for???

import static net.mindview.util.range.* //??????www.mindview.com??????
Ex:for(int i : range(10))     //range(10)???????飬????0..9
for(int i : range(5??10))    //range(5??10)???????飬????5..9
for(int i : range(5??10??3))  //range(5??10??3)???????飬????5..10 step 3
while(true) = for(;;)
switch .. case...break???
switch(integral-selector)  //integral-selector:????????????int????char???????????
case integral-value1:statement:break;
//
Default:statement;
???????case satatement????????break??????case????????case statement

????return??????????????????????????÷?????

???????????????????з?void??????????????????????????·??????????????

????break?????????????

????continue?????????????????????????????????????????ε???

????goto?????java???????goto????????????????goto????????

??????java??????????goto????????????????????????