Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static int stringToInteger(String inString, int inStart) {
        int result = 0;
        char letter = inString.charAt(inStart);
        boolean negate = false;

        if (letter == '-') {
            inStart += 1;
            negate = true;
        } else if (letter == '+') {
            inStart += 1;
        }

        result = stringToUnsigned(inString, inStart);

        return negate ? -result : result;
    }

    public static int stringToUnsigned(String inString, int inStart) {
        int result = 0;
        int index, count = inString.length();

        //   does not account for integer overflow, sign, decimal, or other bases
        for (index = inStart; index < count; ++index) {
            char letter = inString.charAt(index);

            if (letter >= '0' && letter <= '9') {
                result = (result * 10) + (letter - '0');
            } else
                break;
        }

        return result;
    }
}