what are dvantages and disadvantages of class and object class is a meaning less question.
class methods are belonging to whole class (not separate method for each objects).
object methods are belonging to pericular object.
[code]
class TestClass{
public static void classMethod(){}
public void objectMethod(){}
public static void main(String s[]){
TestClass test1=new TestClass();
TestClass test2=new TestClass();
// Calling object method of test1
test1.objectMethod();
// Calling object method of test2
test2.objectMethod();
// Calling Class method
// No referance
classMethod();
}