Default Imported Packages: you don't need to import these packages again, just use the classes in the imported package directly.
import java.lang;
import java.util;
import java.util.stream;
import java.io;
import cn.hutool.core.codec;
import cn.hutool.core.collection;
import cn.hutool.core.date;
import cn.hutool.core.io;
import cn.hutool.core.lang;
import cn.hutool.core.net;
import cn.hutool.core.swing;
import cn.hutool.core.util;
import cn.hutool.http;Builtin Bind Methods
| method | return type | explanation | example |
|---|---|---|---|
| listof(Object...) | List<Object> | create a list | list=listof(1,2,3,"a"); |
| nullto(Object,Object) | Object | if first value is null, return second value | a_null_value=null;value=nullto(a_null_value,"not_null"); |
| List.avg() | Double | list extension method | avg=listof(1,2,3,4,5).avg(); |
| String.repeat(Int) | String | string extension method | value="a".repeat(9); |