How to initialize and compare strings?

Java Programming Java 8 Object Oriented Programming

Following example compares two strings by using str compareTo (string), str compareToIgnoreCase(String) and str compareTo(object string) of string class and returns the ascii difference of first odd characters of compared strings.

Example

Live Demo

public class StringCompareEmp{
   public static void main(String args[]) {
      String str = "Hello World";
      String anotherString = "hello world";
      Object objStr = str;

      System.out.println( str.compareTo(anotherString) );
      System.out.println( str.compareToIgnoreCase(anotherString) );
      System.out.println( str.compareTo(objStr.toString()));
   }
}

Output

The above code sample will produce the following result.

-32
0
0

String compare by equals()

This method compares this string to the specified object. The result is true if and only if the argument is not null and is a String object that represents the same sequence of characters as this object.

Example

Live Demo

public class StringCompareequl{
   public static void main(String []args) {
      String s1 = "tutorialspoint";
      String s2 = "tutorialspoint";
      String s3 = new String ("Tutorials Point");
      System.out.println(s1.equals(s2));
      System.out.println(s2.equals(s3));
   }
}

Output

The above code sample will produce the following result.

true
false

String compare by == operator

Example

Live Demo

public class StringCompareequl{
   public static void main(String []args) {
      String s1 = "tutorialspoint";
      String s2 = "tutorialspoint";
      String s3 = new String ("Tutorials Point");
      System.out.println(s1 == s2);
      System.out.println(s2 == s3);
   }
}

Output

The above code sample will produce the following result.

true
false

Vikyath Ram

Published on 30-Aug-2018 07:26:45

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