Please use the Java Classes Below to complete this assignment:

package org.assignment$2$;

public class FormulaCalc $\{$

public static void main$($String$[]$ args$)$

$\{$

$\}$

$/**$

$*$ Algorithm

$*$ @param a Molecular formula

$*$ @return Total number of protons

$*/$

public static int Algorithm$($String a$)$

$\{$

$/*$

Once you are dealing character by character, you can set a multiple if statement to check if that character is a capital letter, a small case letter, a number, or a parenthesis.

For each of these $4$ options, you need to perform a decision.

$//$If is a capital letter

$\{$

$//$if the stack is not empty

$\{$

$//$pop $1$:

$//$add it to cumulative sum

$\}$

$//$request the string value and add it to stack.

$\}$

$//$else if is a lowercase letter

$\{$

$//$pop stack to clear it$.$

$//$grab the prior letter and request the string value and add it to stack

$\}$

$//$else if it is a number

$\{$

$//$pop $1$:

$//$multiply times the number

$//$add it to a cumulative sum

$\}$

$//$else if parenthesis

$\{$

$\}$

return $1$;

$\}$

private static int getElementProtons$($String c$)$

$\{$

switch $($c$)$

$\{$

case $"$H$"$: return $1$;

case $"$He$"$: return $2$;

case $"$Li$"$: return $3$;

case $"$Be$"$: return $4$;

case $"$B$"$: return $5$;

case $"$C$"$: return $6$;

case $"$N$"$: return $7$;

case $"$O$"$: return $8$;

case $"$F$"$: return $9$;

case $"$Ne$"$: return $10$;

case $"$Na$"$: return $11$;

case $"$Mg$"$: return $12$;

case $"$Al$"$: return $13$;

case $"$Si$"$: return $14$;

case $"$P$"$: return $15$;

case $"$S$"$: return $16$;

case $"$Cl$"$: return $17$;

case $"$K$"$: return $19$;

case $"$Ar$"$: return $18$;

case $"$Ca$"$: return $20$;

case $"$Sc$"$: return $21$;

case $"$Ti$"$: return $22$;

case $"$V$"$: return $23$;

case $"$Cr$"$: return $24$;

case $"$Mn$"$: return $25$;

case $"$Fe$"$: return $26$;

case $"$Ni$"$: return $28$;

case $"$Co$"$: return $27$;

case $"$Cu$"$: return $29$;

case $"$Zn$"$: return $30$;

case $"$Ga$"$: return $31$;

case $"$Ge$"$: return $32$;

case $"$As$"$: return $33$;

case $"$Se$"$: return $34$;

case $"$Br$"$: return $35$;

case $"$Kr$"$: return $36$;

case $"$Rb$"$: return $37$;

case $"$Sr$"$: return $38$;

case $"$Y$"$: return $39$;

case $"$Zr$"$: return $40$;

case $"$Nb$"$: return $41$;

case $"$Mo$"$: return $42$;

case $"$Tc$"$: return $43$;

case $"$Ru$"$: return $44$;

case $"$Rh$"$: return $45$;

case $"$Pd$"$: return $46$;

case $"$Ag$"$: return $47$;

case

$--------------------------------------------------------$

import org.junit.jupiter.api.Test;

import org.assignment$2.$FormulaCalc;

import org.junit.jupiter.api.Assertions;

public class FormulaCalcTest $\{$

@Test

public void test$\_$with$\_$H$()\{$

Assertions.assertEquals$(1,$ FormulaCalc.Algorithm$("$H$"))$;

$\}$

@Test

public void test$\_$with$\_$KBr$()\{$

Assertions.assertEquals$(54,$ FormulaCalc.Algorithm$("$KBr$"))$;

$\}$

$//$ The parentheses are replaced with underscores

@Test

public void test$\_$with$\_$NaCl$()\{$

Assertions.assertEquals$(28,$ FormulaCalc.Algorithm$("$NaCl$"))$;

$\}$

@Test

public void test$\_$with$\_$H$2$O$()\{$

Assertions.assertEquals$(10,$ FormulaCalc.Algorithm$("$H$2$O$"))$;

$\}$

@Test

public void test$\_$with$\_$C$6$H$12$O$6()\{$

Assertions.assertEquals$(96,$ FormulaCalc.Algorithm$("$C$6$H$12$O$6"))$;

$\}$

@Test

public void test$\_$with$\_$Ni$\_$NO$3\_2()\{$

Assertions.assertEquals$(90,$ FormulaCalc.Algorithm$("$Ni$($NO$3)2"))$;

$\}$

@Test

public void test$\_$with$\_$Co$3\_$Fe$\_$CN$\_6\_2()\{$

Assertions.assertEquals$(289,$ FormulaCalc.Algorithm$("$Co$3($Fe$($CN$)6)2"))$;

$\}$

$\}$