class ParentClass1
...{
public void myMethod1() ...{...}
}
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class Class1 extends ParentClass1
...{
public void myMethod2() ...{...}
}
ParentClass1 c1 = new Class1();
c1.myMethod1();
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class Class1 extends ParentClass1
...{
@Override // 编译器产生一个错误
public void myMethod2() ...{...}
}
class Class1 extends ParentClass1
...{
@Override
public void myMethod1() ...{...}
}
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Deprecated