class b class C extends a int b1= 1; int c= 6 public int b2=2, void change(int increase) protected int b3=3; private int b4= 4; b1 + increase int getb4(lreturn b4; I b2 + increaser b3 + increase, void setb4(int i) b4=i;] setb4( getb4()+ increase a t= increaser class a extends B ct= increase int a=5:class B { int b1 = 1; public int b2 = 2; protected int b3 = 3; private int b4 = 4; int getb4( ) { return b4; } void setb4( int i ) { b4 = i; } } class A extends B { int a = 5; } class C extends A { int c = 6; void change( int increase ) { b1 += increase; b2 += increase; b3 += increase; setb4 ( getb4( ) + increase ); a += increase; c += increase; } }