SSA Engineer Interview Questions and Answers

Props are read-only data passed from a parent component, while state is mutable data controlled by the component itself.

• Props are used to pass data from a parent component to a child component.

• Props are immutable and cannot be modified by the child component.

• State is used to manage mutable data within a component.

• State can be modified using the setState() method.

• Changes in props trigger re-rendering of the component, while changes in state trigger component updates.

Yes, a stack can be implemented using two queues.

• To push an element, enqueue it to one of the queues.

• To pop an element, dequeue all elements from one queue to the other until the last element is reached.

• The last element in the queue will be the top element of the stack.