Here are some examples of how it's used:
* Habrá muchos invitados en la fiesta. (There will be many guests at the party.)
* Habrá un nuevo restaurante en la esquina. (There will be a new restaurant on the corner.)
* Mañana habrá sol. (Tomorrow there will be sunshine.)
* No habrá problema. (There will be no problem.)
It's important to note that "haber" in the future tense is often used with the past participle to form the future perfect tense:
* Habré terminado mi trabajo para mañana. (I will have finished my work by tomorrow.)
* Habremos comido antes de las 8 pm. (We will have eaten before 8 pm.)