Example usage for java.lang CharSequence length

Introduction

In this page you can find the example usage for java.lang CharSequence length.

Prototype

int length();

Source Link

Document

Returns the length of this character sequence.

Usage

From source file:Main.java

private static int getStartIndex(CharSequence input) {
    int length = input.length();
    int index = 0;
    while (Character.isWhitespace(input.charAt(index))) {
        ++index;/*  w ww. j a  v a 2s .co  m*/
        if (index >= length) {
            break;
        }
    }
    return index;
}

From source file:Main.java

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

From source file:Main.java

public static boolean isEmpty(CharSequence sequence) {
    return null == sequence || sequence.length() <= 0;
}

From source file:Main.java

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

From source file:Main.java

public static boolean lastCharIsOperator(CharSequence text) {
    char last_char = text.charAt(text.length() - 1);
    return (last_char == '-' || last_char == '*' || last_char == '/' || last_char == '+');
}

From source file:Main.java

public static boolean isAlphaNumeric(CharSequence input) {
    if (input == null || input.length() == 0) {
        return false;
    }//from w w w.  j  av  a 2 s . c  om
    return Pattern.compile("[a-zA-Z0-9 \\./-]*").matcher(input).matches();
}

From source file:Main.java

public static boolean isEmpty(final CharSequence str) {
    if (str == null || str.length() == 0) {
        return true;
    } else {/*from w w  w. j a v  a  2s .c o m*/
        return false;
    }
}

From source file:Main.java

static boolean isNullOrEmpty(CharSequence message) {
    return message == null || message.length() == 0;
}

From source file:Main.java

public static boolean isEmailAddress(CharSequence input) {
    if (input == null || input.length() == 0) {
        return false;
    }//from  ww w . j a  v  a  2  s  .c  o  m
    return Pattern.compile("[a-zA-Z0-9\\+\\.\\_\\%\\-\\+]{1,256}" + "\\@" + "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,64}"
            + "(" + "\\." + "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,25}" + ")+").matcher(input).matches();
}

From source file:Main.java

public static boolean isPasswordValid(CharSequence password) {
    if (password != null && password.length() >= 6) {
        return true;
    }// w  w w.j  a va 2 s  .c om
    return false;
}