Reverse a string in Java - Stack Overflow
I have "Hello World" kept in a String variable named hi. I need to print it, but reversed. How can I do this? I understand there is some kind of a function already built-in into Java that does th...
java - What is a JavaBean exactly? - Stack Overflow
A JavaBean is just a standard. It is a regular Java class, except it follows certain conventions: All properties are private (use getters/setters) A public no-argument constructor Implements …
What is the difference between JDK and JRE? - Stack Overflow
Dec 15, 2009 · The JRE is the Java Runtime Environment. It is a package of everything necessary to run a compiled Java program, including the Java Virtual Machine (JVM), the Java Class Library, the …
C++ unordered_map fail when used with a vector as key
§23.2.5, paragraph 3, says: Each unordered associative container is parameterized by Key, by a function object type Hash that meets the Hash requirements (17.6.3.4) and acts as a hash function …
What is the use of initialize object through three different ways in ...
Feb 20, 2017 · What is the significance of using three different method for a single task. It's the same significance as any task in software development: there are often multiple ways of writing code that …
java - Spring XmlBeanFactory is deprecated - Stack Overflow
May 7, 2019 · Currently I am following site : https://www.javatpoint.com/spring-tutorial-dependency-injection-by-constructor to learn spring. I tried an example where we inject dependency by …
how to fetch data from database in Hibernate - Stack Overflow
Dec 26, 2013 · This is my class to fetch data from database package com.javatpoint.mypackage; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate ...
java - Download pdf from restful web services - Stack Overflow
Jul 19, 2019 · I am writing a rest service which will download the pdf when user access this service on users machine. below is the code of my controller class. When I tried to access below url in browser, …
Do I need to set java JDK path in user variables or system variables ...
Aug 11, 2020 · Now I saw in javaTpoint tutorial that they were setting the path in user variables didn't create any JAVA_HOME variable. So my question is what is the difference between the set path in …
solve 8-puzzle problem using A* algorithm in java
Apr 24, 2023 · I'm working on problem using the A* algorithm to solve a 8-puzzle problem in Java. The problem asks for the optimal solution for the following transmission: 0 1 3 4 2 ...