In the java language regarding abstract classes answer true or false for the fol

Question

In the java language regarding abstract classes answer true or false for the following:

They can contain public variables

They can contain implemented methods

They can contain private variables

They can contain public static constrants

They can be instantiated

They can contain abstract methods

Abstract classes can contain data

Abstract classes must declare all methods as abstract

Abstract classes can contain implementations of methods

Abstract classes must declare all instance data variables as abstract

Explanation / Answer

They can contain public variables :TRUE

They can contain implemented methods:TRUE

They can contain private variables:TRUE

They can contain public static constrants:FALSE

They can be instantiated : FALSE

They can contain abstract methods: TRUE

Abstract classes can contain data:TRUE

Abstract classes must declare all methods as abstract:FALSE

Abstract classes can contain implementations of methods:TRUE

Abstract classes must declare all instance data variables as abstract:FALSE

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