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public?class?FinalDemo?{
?????????final?int?NUM;
?????????void?m1()?{
???????????????????final?int?NUM1;
?????????}
} |
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final?int?NUM=20;
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public?class?FinalDemo?{
?????????final?int?NUM;
????????{
????????????NUM=20;
????????}
?????????void?m1()?{
????????????final?int?NUM1;
?????????}
} |
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pubic?class?User{
?????????int?num;
}public?class?FinalDemo?{
????????final?User?user=new?User();
????????public?static?void?main(String[]?args)?{
???????????????FinalDemo?demo=new?FinalDemo();
???????????????demo.user=new?User();
????????}
} |
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public?class?FinalDemo?{
?????????final?User?user=new?User();
????????public?static?void?main(String[]?args)?{
???????????????????????????FinalDemo?demo=new?FinalDemo();
???????????????????????????demo.user.num=30;
????????}
} |
原文:http://aijuans.iteye.com/blog/2159806