main.go

package main

import "fmt"

type MoneyNotEnoughError string

func (m MoneyNotEnoughError) Error() string {
        return string(m)
}

type MoneyIsZeroError string

func (m MoneyIsZeroError) Error() string {
        return string(m)
}

func checkMoney(n int) error {
        if n == 0 {
                return MoneyIsZeroError("money is zero error")
        } else {
                return MoneyNotEnoughError("money is not enough")
        }
}

func main() {
        err := checkMoney(0)

        switch err.(type) {
        case MoneyNotEnoughError:
                fmt.Printf("money not enough")
        case MoneyIsZeroError:
                fmt.Printf("money zero")
        }
}

main.java

class Money {
    public void checkMoney(int n) throws MoneyNotEnoughError, MoneyIsZeroError {}
}