Java String Whitespace Delete deleteWhitespace(String str)

Description

delete Whitespace

License

Mozilla Public License

Declaration

public static String deleteWhitespace(String str) 

Method Source Code

//package com.java2s;
//License from project: Mozilla Public License 

public class Main {
    public static String deleteWhitespace(String str) {
        if (isEmpty(str)) {
            return str;
        }//w  w  w  .  j  a v  a  2  s  . co m

        int sz = str.length();

        char[] chs = new char[sz];

        int count = 0;

        for (int i = 0; i < sz; i++) {
            if (!Character.isWhitespace(str.charAt(i))) {
                chs[count++] = str.charAt(i);
            }
        }

        if (count == sz) {
            return str;
        }

        return new String(chs, 0, count);
    }

    public static boolean isEmpty(String str) {
        return str == null || str.length() == 0;
    }

    public static int length(String str) {
        return str == null ? 0 : str.length();
    }

    public static boolean isWhitespace(String str) {
        if (str == null) {
            return false;
        }

        int sz = str.length();

        for (int i = 0; i < sz; i++) {
            if ((Character.isWhitespace(str.charAt(i)) == false)) {
                return false;
            }
        }

        return true;
    }
}

Related

1. deleteWhitespace(final String str)
2. deleteWhitespace(String s)
3. deleteWhiteSpace(String s)
4. deleteWhitespace(String str)
5. deleteWhitespace(String str)
6. deleteWhitespace(String str)
7. deleteWhitespace(String str)
8. deleteWhitespace(String str)
9. deleteWhitespace(String str)