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abstract class A {
abstract void al();
void a2() {
}
}
class B extends A {
void al() {
}
void a2() {
}
}
class C extends B {
void c1() { }
}
/////////////
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number: 7
size: 12K /usr/lzq/2010/01/01
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number: 0
size: 4.0K /usr/lzq/2010/01/02
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