Man, this parenting thing is tough.  Parenting is about the intricacies of raising a child.  
I'm hesitant about having kids. What are some of the responsibilities of a parent?
Supporting the kid in various ways, such as emotional, physical, social, and knowledge.  
Do people from different social classes use different parenting methods?
I am not sure about social classes, but each child is different.  It is a continious responsibility that has a unique course for every kid
When I was growing up, my parents just used to hit me with a belt if I did something wrong.
friend. Governments and society may also have a role in child-rearing. In many cases, orphaned or abandoned children receive parental care from non-parent or non-blood relations. Others may be adopted, raised in foster care, or placed in an orphanage. Parenting skills vary, and a parent or surrogate with good parenting skills may be referred to as a "good parent".
Parenting styles vary by historical time period, race/ethnicity, social class, and other social features. Additionally, research
Parenting
Parenting or child rearing is the process of promoting and supporting the physical, emotional, social, and intellectual development of a child from infancy to adulthood. Parenting refers to the intricacies of raising a child and not exclusively for a biological relationship.
The most common caretaker in parenting is the father or mother, or both, biological parent(s) of the child in question, although a surrogate may be an older sibling, a grandparent, a legal guardian, aunt, uncle or other family member, or a family