A.publicdoubleexample2(intm){...} B.publicintexample(){...} C.publicvoidexample2(){...} D.publicintexample(intm,floatf){...}
A.Base(a,b) B.x=a,y=b C.super(a,b) D.this(a,b)
A.0 B.1 C.2 D.3