JavaCodeGeek : Come Together and Learn

Solution : java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.<init>(I)V] This java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.<init>(I)V] happens when we compile our source class using common codec jar version 1.4 or more but at runtime , it founds common-codec jar either equal to 1.3 or lesser than that in which this constructor was not present. Exception Trace will look like this: java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.<init>(I)V at org.apache.http.impl.auth.BasicScheme.authenticate(BasicScheme.java:166) [httpclient-4.5.10.jar:4.5.10] at org.apache.http.impl.auth.HttpAuthenticator.doAuth(HttpAuthenticator.java:233) [httpclient-4.5.10.jar:4.5.10] at org.apache.http.impl.auth.HttpAuthenticator.generateAuthResponse(HttpAuthenticator.java:213) [httpclient-4.5.10.jar:4.5.10] at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:262) [httpclient-4.5.10.jar:4.5.10] ...

Table 'hibernate_sequence' doesn't exist  Maven + Eclipse + Hibernate 5 + Java 14 + Mysql and After successful project creation when application starts then hits the following error message  Table 'hibernate_sequence' doesn't exist. Tested with: 1, Hibernate 5.4.26 2. mysql-connector-java-8.0.22.jar 3. Java 14 4. Maven 3.6.3 Caused by: java.sql.SQLSyntaxErrorException: Table 'hibernate.hibernate_sequence' doesn't exist at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953) at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003) at org.hibernate.id.enhanced.TableStructure.executeQuery(TableStructure.java:216) at o...

How to Reverse a String in Java [2021] This tutorial will show how to reverse a string in java using 7 different ways. how to reverse a string in java is a very common question that is being asked in interviews and also with different methods as there is no inbuilt method in the String class for string reversal. Few facts about String class 1. String class is immutable thus any change in string instance creates a new string object. 2. StringBuffer/StringBuilder class has an inbuilt reverse() method. 3. As StringBuffer is synchronized so StringBuilder is preferred over StringBuffer. So let's get started...  Here are the 7 different ways to reverse a string in java Reverse a string in java using for loop. Reverse a string in java using recursion. Using the built-in string reverse function in java of StringBuilder class/StringBuffer class. Converting String to Character Array and then swapping with iteration. Reverse string using the charAt method. Reverse a string in java 8. Re...