hello

public class A {
    public static void main(String[] args){
        System.out.println("hello world");
    }
}

引用
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hello1

h1 h2 h3
中国 人民 万岁
中国 人民 万岁
中国 人民 万岁

hello2

h1 h2 h3
中国 人民 万岁
中国 人民 万岁
中国 人民 万岁
st=>start: Start:>http://www.google.com[blank]
e=>end:>http://www.google.com
op1=>operation: My Operation
sub1=>subroutine: My Subroutine
cond=>condition: Yes
or No?:>http://www.google.com
io=>inputoutput: catch something...

st->op1->cond
cond(yes)->io->e
cond(no)->sub1(right)->op1
Andrew->China: Says Hello
Note right of China: China thinks about it
China-->Andrew: How are you?
Andrew->>China: I am good thanks!

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