BE THE CODER > Tools and Libs > Google Guava Examples > Basic

Google Guava is a java library with lot of utilities and reusable components. This requires the library guava-10.0.jar to be in classpath. The following example shows using CharMatcher.matchesAllOf() API. It returns TRUE if the given character sequence contains only matching characters.

File Name :	com/bethecoder/tutorials/guava/base_tests/CharMatcherMatchesAllTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.guava.base_tests;



import com.google.common.base.CharMatcher;



public class CharMatcherMatchesAllTest {



  /**

   * @param args

   */

  public static void main(String[] args) {

    System.out.println(CharMatcher.DIGIT.matchesAllOf("123456"));

    System.out.println(CharMatcher.DIGIT.matchesAllOf("123456abc"));

    System.out.println(CharMatcher.DIGIT.matchesAllOf("abcdefg"));

    

    System.out.println(CharMatcher.JAVA_LETTER.matchesAllOf("abcdefg"));

    System.out.println(CharMatcher.JAVA_LETTER.matchesAllOf("123456abc"));

    System.out.println(CharMatcher.JAVA_LETTER.matchesAllOf("123456"));

    

    System.out.println(CharMatcher.JAVA_LETTER_OR_DIGIT.matchesAllOf("123456"));

    System.out.println(CharMatcher.JAVA_LETTER_OR_DIGIT.matchesAllOf("abcdefg"));

    System.out.println(CharMatcher.JAVA_LETTER_OR_DIGIT.matchesAllOf("123456abc"));

  }

}

Char Matcher Matches All