PROGRAM DEMO :STRING METHODS

PROGRAM DEMO :STRING METHODS

Program to illustrate all string methods : // Java code to illustrate different constructors and methods // String class. import... 10:58:00 PM

Program to illustrate all string  methods:
// Java code to illustrate different constructors and methods 
// String class.
 
import java.io.*;
import java.util.*;
class Test {
        public static void main (String[] args){
        String s= "MarianKuttikkanam";
        // or String s= new String ("MarianKuttikkanam");
 
        // Returns the number of characters in the String.
        System.out.println("String length = " + s.length());
 
        // Returns the character at ith index.
        System.out.println("Character at 3rd position = "
                           + s.charAt(3));
 
        // Return the substring from the ith  index character
        // to end of string
        System.out.println("Substring " + s.substring(3));
 
        // Returns the substring from i to j-1 index.
        System.out.println("Substring  = " + s.substring(2,5));
 
        // Concatenates string2 to the end of string1.
        String s1 = "Marian";
        String s2 = "Kuttikkanam";
        System.out.println("Concatenated string  = " +
                            s1.concat(s2));
 
        // Returns the index within the string
        // of the first occurrence of the specified string.
        String s4 = "Information Formation Transformation";
        System.out.println("Index of Transformation " + 

                              s4.indexOf("Transformation")); 
        // Returns the index within the string of the
        // first occurrence of the specified string,
        // starting at the specified index.
        System.out.println("Index of a  = " + 
                           s4.indexOf('a',3));
 
        // Checking equality of Strings
        Boolean out = "Marian".equals("marian");
        System.out.println("Checking Equality  " + out);
        out = "Marian".equals("Marian");
        System.out.println("Checking Equality  " + out);
 
        out = "Marian".equalsIgnoreCase("mArIan ");
        System.out.println("Checking Equality" + out);
 
        int out1 = s1.compareTo(s2);
        System.out.println("If s1 = s2" + out);
 
        // Converting cases
        String word1 = "MARIAN";
        System.out.println("Changing to lower Case " +
                            word1.toLowerCase());
 
        // Converting cases
        String word2 = "marian";
        System.out.println("Changing to UPPER Case " + 
                            word1.toUpperCase());
 
        
    } 
}