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 …
Setting JAVA_HOME environment variable in MS Windows
Set the JAVA_HOME Variable Windows 7 – Right click My Computer and select Properties > Advanced Windows 8 – Go to Control Panel > System > Advanced System Settings Windows …
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...
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 …
How to generate a WAR file for a Java project without Maven or …
Nov 18, 2022 · A WAR file is a ZIP file with filename suffix .war and a specific internal structure as shown by the link szeak has given to you. So compile your project, create an empty folder, …
What is the difference between spring factory-method and factory …
May 25, 2015 · It's basically the same difference between the Factory method and Factory design patterns, with a little note at the bottom. While one is a method used to obtain instances of a …
In Spring Boot what is the difference between CrudRepository and ...
Apr 29, 2022 · when building respositories in spring, in my repository interface i extend it using the below extends CrudRepository<EntityName, EntityType> where EntityName is the name …
What's the difference between map() and flatMap() methods in …
Both map and flatMap can be applied to a Stream<T> and they both return a Stream<R>. The difference is that the map operation produces one output value for each input value, whereas …
How am i able to change interface variable value in a class which is ...
Oct 7, 2018 · You are actually changing the local variable in the main function. This variable is different from the one you declared in the interface which is indeed public, static and final by …
Static nested class in Java, why? - Stack Overflow
Oct 1, 2012 · The Sun page you link to has some key differences between the two: A nested class is a member of its enclosing class. Non-static nested classes (inner classes) have access to …