I have a 1995 toyota camery and my brake light in the dash board come up and goes away and comes back on and stay on

The warning light on the dash, or the brake lights in the back of the car ? ?
The brake fluid could be low or the parking brake switch could be faulty if the warning light is on.
The brake light switch on the pedal could be faulty if the brake lights are staying on.

its a bad connection

The handbrake warning light is activated by a switch on the handbrake bracket under the console. This is most likely stuck or broken.

The interior light staying off when the door opens is common. It could be that a door plunger switch is sticking (they can corrode inside), or there is poor contact at each end of the dome light globe. Take out the globe and press the contacts closer (just a bit) then push the globe back in, checking that it is firmly held. Then spray a little WD40 or similar on the plunger of each door switch and press it in a few times against the spring.

Which ignition light is not working, one of the warning lights? Or the check engine light?

check the wirring to the trunk lid. most likly broken wires

Yes, transient current. Typically happens with damaged taillight bulbs, or poor ground. SO, when you step on the brake, rather than the current going to ground after the stop element, it goes into (and powers up) the running lights, of which dash lights are part of....
Look for ground issues, run external ground if needed, for testing purposes..

Those Toyotas have a bulb check unit, usually located inside the trunk, bolted near one of the taillights. If it goes bad and the circuit board inside fries, the taillights will not come on at all. Have it checked out.

check brake fluid?

open the trunk lid and check the wiring in the loom along the driver side hinge. it may be necessary to peel back some of the loom , but you will probably find a broken or chafed wire in this section, if not check all the ground wires between the brake and backup lights.

Look at your brake light switch attached to the upper end of your brake pedal. When the brakes are released your switch should be engaged. I would remove it and check it with a meter to make sure its working normally.

If your sure ALL of your bulbs are good(front and rear)then your bulb check relay is bad its usually in the trunk area,hope it helps have a good dayDB