JavaIdea快捷键

package excise;

import java.util.ArrayList;
import java.util.List;

public class Java快捷键 {
    public static void main(String[] args) {
        //sout
        System.out.println();
        //字符串.sout  "sfa".sout
        System.out.println("sfa");
        boolean flag =true;
        //flag.if快速生成
        if (flag) {

        }
        //flag.else
        if (!flag) {

        }
        //快速while flag.while
        while (flag) {

        }
        //new String("").var
        String s = new String();
        //异常 int i=10/0;.try
        try {
            int i=10/0;
        } catch (Exception e) {
            e.printStackTrace();
        }
        //List操作
        List list = new ArrayList<>();
        //快速foreach list.for
        for (Object o : list) {

        }
        //正向快速for循环 list.fori
        for (int i = 0; i < list.size(); i++) {

        }
        //反向快速for循环 list.forr
        for (int i = list.size() - 1; i >= 0; i--) {

        }

    }

    public int test() {
        //快速return 例如 10.rerutn
        return 10;
    }
}