Consider the following code segment, which is intended to display "cat". String[][] keyboard = {{"q", "W", "e", "r", "t"},
{"a", "S", "d", "f", "g"},
{"z", "X", "C", "v", "b"}};
System. out. println(/* missing expression */);
Which of the following can replace /* missing expression */ so that the code segment works as intended?

Consider the usual algorithm to convert an infix expression to a postfix expression. suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: (5 points) | | | + | | ( | bottom |_*_| now, suppose that you read and process the 11th symbol of the input. draw the stack for the case where the 11th symbol is