str1_tkn.java

import java.util.StringTokenizer;

class str1_tkn {
    public static void main(String[] a){
        // String Tokenizer Constructors
        // 1. Using first method of Constructors
        System.out.println("Using first Method of String Tokenizer : ");
        StringTokenizer str1 = new StringTokenizer("Hello World !"," ");

        // Printing the Tokens
        while(str1.hasMoreTokens())
            System.out.println(str1.nextToken());

        // 2. Using Second Method of Constructors
        System.out.println("Using Second Method of String Tokenizer : ");
        StringTokenizer str2 = new StringTokenizer("This : was : the : good : one : !","!");

        // Printing the Tokens
        while(str2.hasMoreTokens())
            System.out.println(str2.nextToken());

        // 3. Using Third Way of Constructors
        System.out.println("Using Third Method of String Tokenizer : ");
        StringTokenizer str3 = new StringTokenizer("Join : this : String",":",true);

        // String Tokens
        while(str3.hasMoreTokens())
            System.out.println(str3.nextToken());

        // Some Methods of String Tokenizer Class
        // 1. countTokens() : Used to count the number of Token Generated by the StringTokenizer
        int count = str1.countTokens();
        System.out.println("Number of Token Generated in the first String : " + count);

        // 2. hasMoreTokens() : Used to check if the Tokens are present in the StringTokenizer's String
        // Above method is used in the StringTokenizer's String's Created above while iteration of the while Loop

        // 3. nextToken() : Returns the next Token from the given String Tokenizer Class
        // Above method is already been implement together with the hasMoreTokens() in the while Loop

        // 4. hasMoreElements() : Works similar to the hasMoreToken() method.
        StringTokenizer str4 = new StringTokenizer("This is not a good one !"," ");
        while(str4.hasMoreElements())
            System.out.println(str4.nextElement());

        // 5. nextElement() : It is used in order to point out and return the next element or partition of the String
        // And this method works similar to the nextToken() method, together with its example is been given above.
    }   
}