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About Byron Kiourtzoglou

Byron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.

Compare Strings

In this example we shall show you how to compare Strings. We are using the methods that the String class provides. To compare Strings one should perform the following steps:

  • Create two new String objects.
  • Use the compareTo(String anotherString) to compare the two Strings. This method compares two strings lexicographically. The comparison is based on the Unicode value of each character in the strings. The character sequence represented by this String object is compared lexicographically to the character sequence represented by the argument string. The result is a negative integer if this String object lexicographically precedes the argument string. The result is a positive integer if this String object lexicographically follows the argument string. The result is zero if the strings are equal,

as described in the code snippet below.

package com.javacodegeeks.snippets.core;

public class StringCompare {

	public static void main(String args[]) {

		String string1 = "Java Code Geeks";
		String string2 = "java code geeks";

		// Case sensitive comparison of two strings
		System.out.println(string1.compareTo(string2));
		
		// Comparison of two string ignoring characters' case
		System.out.println(string1.compareToIgnoreCase(string2));
	}

}

Output:

-32
0

 
This was an example of how to compare Strings in Java.

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