Please help me fix this. I think I messed it up. These are the errors I keep get

Question

Please help me fix this. I think I messed it up.
These are the errors I keep getting for my program below.

6 errors found:
File: C:UsersStack.java  [line: 17]
Error: cannot find symbol
  symbol:   method push(java.lang.Integer)
  location: variable stack of type Stack
File: C:UsersStack.java  [line: 21]
Error: cannot find symbol
  symbol:   method push(java.lang.Integer)
  location: variable stack of type Stack
File: C:UsersStack.java [line: 25]
Error: cannot find symbol
  symbol:   method push(java.lang.Integer)
  location: variable stack of type Stack
File: C:UsersStack.java  [line: 29]
Error: cannot find symbol
  symbol:   method push(java.lang.Integer)
  location: variable stack of type Stack
File: C:UsersStack.java  [line: 33]
Error: cannot find symbol
  symbol:   method push(java.lang.Integer)
  location: variable stack of type Stack
File: C:UsersStack.java  [line: 41]
Error: cannot find symbol
  symbol:   method pop()
  location: variable stack of type Stack

import java.util.*;


public class Stack {

public static void main(String args[]) {
int sum = 0;

Stack<Integer> stack = new Stack<Integer>();

System.out.println("stack: " + stack);

Scanner scanner = new Scanner(System.in);

System.out.println("Enter the first number");

stack.push(new Integer(scanner.nextInt()));

System.out.println("Enter the second number");

stack.push(new Integer(scanner.nextInt()));

System.out.println("Enter the third number");

stack.push(new Integer(scanner.nextInt()));

System.out.println("Enter the first number");

stack.push(new Integer(scanner.nextInt()));

System.out.println("Enter the first number");

stack.push(new Integer(scanner.nextInt()));

System.out.println("stack: " + stack);

try {

for (int i = 0; i < 5; i++){

Integer number = (Integer) stack.pop();

sum += number;

}

} catch (EmptyStackException e) {

System.out.println("Stack is empty");

}

System.out.println("The sum of all the numbers is : "+sum);

}

}

Explanation / Answer

import java.util.*;
public class Stack_demo
{
public static void main(String args[])
{
int sum = 0;
Stack stack = new Stack();
System.out.println("stack: " + stack);
Scanner scanner = new Scanner(System.in);
System.out.println("Enter the first number");
stack.push(new Integer(scanner.nextInt()));
System.out.println("Enter the second number");
stack.push(new Integer(scanner.nextInt()));
System.out.println("Enter the third number");
stack.push(new Integer(scanner.nextInt()));
System.out.println("Enter the fourth number");
stack.push(new Integer(scanner.nextInt()));
System.out.println("Enter the fifth number");
stack.push(new Integer(scanner.nextInt()));
System.out.println("stack: " + stack);
try
{
for (int i = 0; i < 5; i++)
{
Integer number = (Integer) stack.pop();
sum += number;
}
}
catch (EmptyStackException e)
{
System.out.println("Stack is empty");
}
System.out.println("The sum of all the numbers is : "+sum);
}
}

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.