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DQuestion 3 1 pts Whose responsibility is it to ensure that the stack doesn't run out of space? The Oracle people who control Java The end-user programmer using the stack O The programmer implementing the stack O The end users of the application DQuestion 4 1 pts Given nameStack: "Mohammed", "Kaleel", "Ravindra" (with Ravindra on top) Type the stack after the following two push operations: (type what's on the bottom of the stack first, as above) String n = nameStack.pop(); nameStack.push("Virendra")