| 1 |
First one checks that .class file has correct format
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| 2 |
Checks all that can be done without looking at byte codes
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this includes superclass checking, verification of constant pool, and legal names and types for field and method references, final classes cannot be subclassed or overwritten
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| 3 |
Then one looks at the byte code and checks that as executed it will give finite size stacks, correct typing for registers, fields and methods
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| 4 |
One does not download the byte codes of required classes. However one does check that the class is used consistently with its definition
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| 5 |
Some steps are for run time efficiency such as checking for some run time exceptions can be done at verification stage and removed in running code.
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