What do Japanese call each other? First name or last name?

1. Generally speaking, the Japanese call each other surname+さん?

2. A man with a good relationship can call each other: surname+jun?

3. A woman with a good relationship can call the other man: surname+jun?

4. Men with good relationships can address women: first name+ちゃん or last name +ちゃん?

5. Women with good relationships can be called women: first name+ちゃん or last name +ちゃん.

6. Generally speaking, surnames come first (surnames are taken by place names), honorifics are surnames plus honorifics, and nicknames are first names.

Extended data

Addresses of Japanese family members:

1, great grandfather (コソフ)+Great grandmother (コソボ) great grandfather (ヒィジィサ) Uncle (ォォォジサン)+Uncle Great (ォォォサン).

2. Father (ォヤジォトサン)+Mother (ォフクロォカァァ)

3. Yourself+wife (ツマ)? Husband (ォット); Brother (Li () brother is married? Sister-in-law (ァニヨメ) ォネェサン)+justice ノノニ (ォニ)