Tag: Java

Version 1.7.0_67 of the JVM is not suitable for this product. Version 1.8 or greater is required

System Environment PATH Variable Setup for JAVA

Eclipse Jee 2018-09 will be launched by using java 1.8 and above. So we need to install java 1.8 or above versions, either 32 bit or 64 bit according your system supports. After installing, you need to set system environment PATH variable of JDK path like C:\Program Files\Java\jdk<version>\jre\bin Error Screen Go to –> Right Click […]

Enhancement 1.6 version

Enhancement Sun people introduces, the following 2 interface in 1.6 version as the part of collection Framework. 1) NavigableSet 2) NavigableMap. NavigableSet It is the child interface of SortedSet, which defines several methods to support navigation. Ceiling(e): It returns the lowest element, which is greater than equal to e. Higher(e): Returns the lowest element which […]

How to disable dangerous http methods in apache tomcat server

How to disable dangerous http methods in apache tomcat server Some of the http methods are dangerous and using these http methods may easily hack the application like executing the remote script execution, sql injection, click jacking etc… So dangerous http methods need to be restricted. We need to disable dangerous http method in both […]

How to run windows exe and bat files using java?

This is example of run exe and batch files from java code and catch response from them in java. Then create four java files in com.narayanatutorial.main package. RunExeMain.java RunWithParamMain.java RunBatchMain.java GetResponseMain.java 1) RunExeMain.java This file run exe file (Here cmd.exe) using java program. public class RunExeMain { //This is Example that display how to run […]

Java Reflection API

Classes and Objects interview questions

Java Reflection API Java Reflection API is a process of modifying or retrieve metadata of a class at run time. The java.lang.Class class provides methods that can be used to get metadata and change the run time behavior of a class. The java.lang and java.lang.reflect packages are providing classes for java reflection. The Java Reflection API is […]