J'ai la classe A class C {
public static void main(String args[]) {
B b=new B(new A());// A cannot be converted to Class<? extends A>.
B b=new B(new A1());// A1 can ...
J'ai une table avec des variables / colonnes mappées, par exemple: SELECT *
FROM test
WHERE ele = '123' (dim1 = 'DM1' OR dim1 = '*')
AND (dim2 = 'DM2' OR dim2 = '*')
AND (dim3 ...