Example usage for java.lang String charAt

Introduction

In this page you can find the example usage for java.lang String charAt.

Prototype

public char charAt(int index)

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:Main.java

public static boolean compareString(byte[] barray, String str, int size) {
    for (int i = 0; i < size; ++i) {
        int m = barray[i];
        int n = str.charAt(i);
        if (m != n)
            return false;
    }//from  w w w .  j a  va2  s  . co  m
    return true;
}

From source file:Main.java

public static int calculateLengthWithByte(String str) {
    int length = 0;
    for (int i = 0; i < str.length(); i++) {
        char tmp = str.charAt(i);
        if (tmp > 0 && tmp < 127) {
            length += 1;//from w  w w .  j a  va  2s .  co m
        } else {
            length += 2;
        }
    }
    return length;
}

From source file:com.streamsets.pipeline.stage.origin.remote.FileFilter.java

/**
 * Convert a limited file glob into a simple regex.
 *
 * @param glob file specification glob/*from  w  w w  . j a v a2 s  .  c  om*/
 * @return regex.
 */
private static String globToRegex(String glob) {
    if (glob.charAt(0) == '.' || glob.contains("/") || glob.contains("~")) {
        throw new IllegalArgumentException("Invalid character in file glob");
    }

    // treat dot as a literal.
    glob = glob.replace(".", "\\.");
    glob = glob.replace("*", ".+");
    glob = glob.replace("?", ".{1}+");

    return glob;
}

From source file:Main.java

/** Returns -1 if "value" is a negative double binary string,+1 if it is positive, 0 if "value" is not a well formed 64 binary string according to IEEE754 standard*/
public static int getDoubleSign(String value) {
    if (is64BinaryString(value)) {
        switch (value.charAt(0)) {
        case '0':
            return 1;
        case '1':
            return -1;
        }//www  .  j  av  a 2s .c  o  m
    }

    return 0;
}

From source file:Main.java

private static boolean isCapsLock(String word) {
    for (int i = 0; i < word.length(); i++) {
        if (Character.isLowerCase(word.charAt(i)))
            return false;
    }//from  w ww .  j a va  2s. com
    return true;
}

From source file:Main.java

public static String trimTrailing(String s) {
    int endIndex = s.length();
    while (endIndex > 0 && s.charAt(endIndex - 1) <= ' ')
        endIndex--;// w  w w  . jav  a  2  s  .  c  o m
    return s.substring(0, endIndex);
}

From source file:Main.java

public static boolean isPalindrome(String text) {
    String reverse = "";
    for (int i = text.length() - 1; i >= 0; i--) {
        reverse += text.charAt(i);
    }/*from   w w  w .j  ava2s  . co  m*/
    return text.equals(reverse);
}

From source file:Main.java

public static boolean isNumericString(String s) {
    boolean b = true;
    for (int i = 0; i < s.length(); i++) {
        if (!isNumeric(s.charAt(i))) {
            b = false;//from ww  w .  jav a2 s.  c o m
            break;
        }
    }
    return b;
}

From source file:Utils.java

/** 
 * @param uri URI//from   w w  w. ja va 2  s  .c om
 * @return True if the uri has a scheme
 */
public static boolean hasScheme(String uri) {
    for (int i = 0; i < uri.length(); i++) {
        char c = uri.charAt(i);
        if (c == ':')
            return true;
        if (!(c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z'
                || (i > 0 && (c >= '0' && c <= '9' || c == '.' || c == '+' || c == '-'))))
            break;
    }
    return false;
}

From source file:Main.java

public static boolean IsNumeric(String number) {
    for (int i = 0; i < number.length(); i++) {
        if (!Character.isDigit(number.charAt(i)))
            return false;
    }// w ww . j av  a2 s.  c  o m

    return true;
}