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Copy pathCalculator.java
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47 lines (44 loc) · 1.01 KB
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package cCollections;
import java.util.Arrays;
public class Calculator {
public int calculate(String expression){
String[] ss = expression.split("\\+");
System.out.println(expression + " => " + Arrays.toString(ss));
int sum = 0;
for (String s : ss){
sum = sum + Integer.parseInt(s.trim());
}
return sum;
}
public static void main(String[] args){
Calculator c = new Calculator();
int r = c.calculate("1+2+3");
System.out.println(r);
}
// public Object[] compile(String s){
// Object[] parsed = parseAsExpression(s);
// List<Object> output = new LinkedList<>();
// for (Object e : parsed){
// if (e instanceof Integer){
// output.add(e);
// } else{
// char ch = (Character) e;
// switch (ch){
// case ')':
//
// }
// }
// }
// return null;
// }
//
// private Object[] parseAsExpression(String s) {
// // TODO Auto-generated method stub
// return null;
// }
// public int Calculate(Object[] expression){
// Deque<Integer> stack = new LinkedList<>();
// return 0;
//
// }
}