Example usage for java.lang String indexOf

Introduction

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

Prototype

public int indexOf(String str)

Source Link

Document

Returns the index within this string of the first occurrence of the specified substring.

Usage

From source file:ToStringDemo.java

public static void main(String[] args) {
    double d = 858.48;
    String s = Double.toString(d);

    int dot = s.indexOf('.');

    System.out.println(dot + " digits before decimal point.");
    System.out.println((s.length() - dot - 1) + " digits after decimal point.");
}

From source file:SubStringDemo.java

/**
 * @author suraj.gupta/*from ww  w.jav a  2 s  . c  o m*/
 */
public static void main(String[] args) {
    String s = "suraj.gupta@yahoo.com"; // email id in a String
    int IndexOf = s.indexOf("@"); // returns an integer which tells the position of this substring "@" in the parent String "suraj.gupta@yahoo.com"
    String domainName = s.substring(IndexOf); //prints the String after that index
    System.out.println("Taking Domain name from an email id " + domainName);
}

From source file:MainClass.java

public static void main(String[] Args) {
    String filepath = "C:/myFile.txt";
    File aFile = new File(filepath);
    FileOutputStream outputFile = null;
    if (aFile.isFile()) {
        File newFile = aFile;/*from  w w w. j a v a  2 s.  com*/
        do {
            String name = newFile.getName();
            int period = name.indexOf('.');
            newFile = new File(newFile.getParent(),
                    name.substring(0, period) + "_old" + name.substring(period));
        } while (newFile.exists());
        aFile.renameTo(newFile);
    }
    try {
        outputFile = new FileOutputStream(aFile);
        System.out.println("myFile.txt output stream created");
    } catch (FileNotFoundException e) {
        e.printStackTrace(System.err);
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {

    String encoding = "ISO-8859-1";
    URL u = new URL("http://www.java2s.com");
    URLConnection uc = u.openConnection();
    String contentType = uc.getContentType();
    int encodingStart = contentType.indexOf("charset=");
    if (encodingStart != -1) {
        encoding = contentType.substring(encodingStart + 8);
    }/*from   w w  w  . j av  a  2 s  .  c  o m*/
    InputStream in = new BufferedInputStream(uc.getInputStream());
    Reader r = new InputStreamReader(in, encoding);
    int c;
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:Main.java

public static void main(String[] args) {
    String haystack = "this is a test";
    String needle1 = "Java";

    int index1 = haystack.indexOf(needle1);

    if (index1 != -1)
        System.out.println("The string contains the substring " + needle1);
    else/*from   ww  w  .ja v  a  2 s.  co m*/
        System.out.println("The string does not contain the substring " + needle1);

}

From source file:MainClass.java

public static void main(String args[]) {
    String letters = "abcdefghijklmabcdefghijklm";
    System.out.printf("\"def\" is located at index %d\n", letters.indexOf("def"));
    System.out.printf("\"def\" is located at index %d\n", letters.indexOf("def", 7));
    System.out.printf("\"hello\" is located at index %d\n\n", letters.indexOf("hello"));
}

From source file:MainClass.java

public static void main(String args[]) {
    String letters = "abcdefghijklmabcdefghijklm";

    System.out.printf("'c' is located at index %d\n", letters.indexOf('c'));
    System.out.printf("'a' is located at index %d\n", letters.indexOf('a', 1));
    System.out.printf("'$' is located at index %d\n\n", letters.indexOf('$'));

}

From source file:com.hp.test.framework.Reporting.TestPath.java

public static void main(String ar[]) throws IOException {
    URL location = Test.class.getProtectionDomain().getCodeSource().getLocation();

    String path = location.toString();
    path = path.substring(6, path.indexOf("lib"));
    String Logos_path = path + "ATU Reports/HTML_Design_Files/IMG";
    String Source_logs_path = path + "HTML_Design_Files/IMG";
    String Source_Framework_Logo_path = Source_logs_path + "/Framework_Logo.jpg";
    String Source_hp_logo_path = Source_logs_path + "/hp.png";
    String Source_reports_path = Source_logs_path + "/reports.jpg";
    File Target_dir = new File(Logos_path);
    File Source = new File(Source_Framework_Logo_path);
    FileUtils.copyFileToDirectory(Source, Target_dir);
    File Source_Reports = new File(Source_reports_path);
    FileUtils.copyFileToDirectory(Source_Reports, Target_dir);
    File Source_hp = new File(Source_hp_logo_path);
    FileUtils.copyFileToDirectory(Source_hp, Target_dir);

}

From source file:Main.java

public static void main(String args[]) {
    String s = "this is a test from java2s.com.";

    System.out.println(s);/* ww  w .j  a  v  a2 s  .com*/
    System.out.println("indexOf(t) = " + s.indexOf('t'));

}

From source file:Main.java

public static void main(String args[]) {
    String s = "this is a test from java2s.com.";

    System.out.println(s);//  ww  w.  j  a v  a 2 s.c om
    System.out.println("indexOf(the) = " + s.indexOf("the"));

}