Student loans and most IRS liens (it depends on how old they are) are not dischargeable in bankruptcy at all. This means that you could discharge your credit card debt but those two debts would remain a liability.
You can keep your home and car if you are current with the payments, through what is called "reaffirmation", this is an agreement with the lenders, that yes you filing bankruptcy but you are agreeing to keep paying them. Sometimes you can even negotiate a better interest rate.
You would most likely use Hawaii as your State of residence and filing, so their State bankruptcy laws would apply. In Hawaii you can either use the Federal Exemptions or the Hawaii State exemptions.
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