What is the best way to implement a Stack and a Queue in JavaScript? I’m looking to do the shunting-yard algorithm and I’m going to need these data-structures. 29 s 29 var stack = []; stack.push(2); // stack is now [2] stack.push(5); // stack is now [2, 5] var i = stack.pop(); // stack is … Read more
Programming language books explain that value types are created on the stack, and reference types are created on the heap, without explaining what these two things are. I haven’t read a clear explanation of this. I understand what a stack is. But, Where and what are they (physically in a real computer’s memory)? To what … Read more
Ok so I have to read in a postfix expression from a file. The postfix expression must have spaces to separate each operator or operand. What I have so far works only if there is no spaces between the operators or operands in the input file. (i.e. if the file has 12+ the result I … Read more
In Java, I want to print the contents of a Stack. The toString() method prints them encased in square brackets delimited by commas: [foo, bar, baz]. How do I get rid of them and print the variables only? My code so far: Stack myStack = new Stack (); for(int j=0; j<arrayForVar.length; j++) { if(arrayForVar[j][1] != … Read more
